S-Acetylglutathion ist eine bioverfügbare, oral stabile Form des körpereigenen Antioxidans Glutathion, das eine zentrale Rolle im zellulären Schutz, der Entgiftung und der Immunfunktion spielt.
S-Adenosylhomocysteine (SAH) is a natural metabolic byproduct formed during the methylation cycle. It serves as a key biomarker for cellular methylation capacity and cardiovascular health.
S-Adenosylmethionine (SAMe) is a naturally occurring compound found in virtually every cell of the body, playing a key role in metabolism and used therapeutically for joint health, liver conditions, and depression.
S-Adenosylmethionine (SAMe) is a naturally occurring compound found throughout the body, playing a key role in metabolism and used therapeutically for joint pain, liver conditions, and depression.
S13.4 is the ICD-10 code for sprain and strain of the cervical spine, commonly known as whiplash injury. It involves overstretching of ligaments and joints in the neck due to sudden movement.
S23.3 is an ICD-10 code for dislocation of a thoracic vertebra. It refers to the traumatic displacement of one or more thoracic vertebrae as a result of injury.
S43.4 is the ICD-10 code for a sprain or strain of the shoulder joint. It describes injuries to the ligaments and soft tissues around the shoulder without a bone fracture.
S52.5 is the ICD-10 code for a fracture of the distal end of the radius – one of the most common wrist fractures, typically caused by a fall on an outstretched hand.
S72.0 is the ICD-10 code for a fracture of the neck of the femur. This common injury mainly affects older adults and often requires surgical treatment.
S73.1 is an ICD-10 diagnosis code for a sprain or strain of the hip joint. It describes an injury to the ligaments and soft tissues around the hip joint without a bone fracture.
S83.2 is an ICD-10 code for a traumatic tear of the meniscus at the knee joint. It describes an injury to the cartilage tissue of the knee, commonly caused by sports activities or accidents.
S83.5 is an ICD-10 diagnosis code for a sprain or strain of the knee joint, describing injuries to the ligaments and joint capsule without involvement of bone.
S93.2 is an ICD-10 diagnosis code for rupture of ligaments at the ankle and foot level. It describes a ligament injury most commonly caused by twisting or rolling the ankle.
Saccharin (E954) is an artificial sweetener approximately 300 to 500 times sweeter than sugar. It contains no calories and is widely used in foods, beverages, and tabletop sweeteners.
Saccharomyces boulardii is a dry yeast that is contained in medicines in freeze-dried form. Saccharomyces boulardii works exclusively in the intestine. There the probiotic active ingredient colonises the intestinal wall.
The sacroiliac joint (SIJ) connects the pelvis to the spine. Problems in this area often cause lower back pain and can be effectively treated with various therapies.
Sacroiliac joint syndrome refers to pain originating from the sacroiliac joint, which connects the spine to the pelvis. It is a common cause of lower back and buttock pain.
Sacroiliitis is an inflammation of the sacroiliac joint, connecting the sacrum and the ilium of the pelvis. It causes lower back pain and may indicate inflammatory conditions.
The sacrum is a large, wedge-shaped bone at the base of the spine that connects the vertebral column to the pelvis and plays a key role in stability and load transfer.
Saffron is a precious spice derived from the stigmas of the Crocus sativus plant, valued in medicine for its mood-enhancing and anti-inflammatory properties.
Sagittal split osteotomy is a jaw surgery procedure used to correct misalignment of the lower jaw, improving chewing function, speech, and facial aesthetics.
Salbutamol is a short-acting bronchodilator used to relieve and prevent bronchospasm in asthma and COPD. It works rapidly to open the airways and ease breathing.
Salicylic acid derivatives are chemical compounds derived from salicylic acid, widely used in medicine as pain relievers, anti-inflammatory agents, and in dermatological treatments.
Salivary gland inflammation (sialadenitis) is an infection or inflammation of one or more salivary glands, commonly caused by bacteria, viruses, or salivary stones.
A Salter-Harris fracture is a bone fracture in children and adolescents that involves the growth plate. Depending on the type, it may affect normal bone development.
Salutogenesis is a health concept that focuses on what keeps people healthy, rather than what causes disease – a perspective developed by Aaron Antonovsky.
SAMe (S-Adenosylmethionine) is a naturally occurring compound in the body involved in over 100 metabolic reactions. It is widely used as a supplement for joint pain, depression, and liver health.
SAR (Specific Absorption Rate) measures how much electromagnetic radiation energy is absorbed per unit mass of human tissue. It is expressed in watts per kilogram (W/kg).
Sarcoidosis is an inflammatory disease in which small clusters of inflammatory cells (granulomas) form in various organs, most commonly the lungs and lymph nodes.
A satiety signal is a biochemical or neurological signal that informs the brain that the body has consumed sufficient food, thereby ending the feeling of hunger.
Sato staining is a specialized histological staining technique used to visualize collagen fibers in tissue sections. It is applied in pathology and biomedical research.
Scabies is a contagious skin condition caused by the mite Sarcoptes scabiei, which burrows into the skin and triggers intense itching and a characteristic rash.
Scalp psoriasis is a chronic inflammatory skin condition causing scaling, redness, and itching on the scalp. It is not contagious and highly treatable.
A scapula fracture is a break of the shoulder blade, typically caused by high-energy trauma. Accurate diagnosis and appropriate treatment are essential for full recovery.
Scapulothoracic refers to the functional connection between the shoulder blade (scapula) and the rib cage (thorax), essential for shoulder mobility and arm elevation.
Scar correction includes medical and aesthetic procedures aimed at improving the appearance of scars. The goal is better integration with the surrounding skin tissue.
Scar formation prevention includes measures taken after injuries or surgeries to reduce the development of visible scars. Early treatment leads to significantly better skin outcomes.
Scar regeneration refers to the process of restoring and improving scar tissue after injuries or surgery, aiming to restore normal skin structure and function.
Scar therapy covers a range of treatments aimed at improving the appearance and function of scars after injuries or surgery. The goal is to enhance mobility, reduce discomfort, and support overall well-being.
Scar tissue forms after injuries or surgery as part of the natural wound healing process. It consists of connective tissue and can affect the appearance and function of the skin.
Scarlet fever is a bacterial infection causing sore throat, high fever, and a distinctive red rash. Learn how to recognize the key symptoms of scarlet fever in children and adults.
Scheuermann disease is a growth disorder of the spine occurring in adolescence, causing an abnormal forward curvature of the upper back known as kyphosis.
Die Schilddrüsenunterfunktion (medizinisch: Hypothyreose) ist eine häufige Stoffwechselstörung, bei der die Schilddrüse zu wenig Hormone produziert.
Schisandrin is a bioactive lignan extracted from Schisandra chinensis berries, known for its liver-protective, antioxidant, and adaptogenic properties.
Schistosomiasis, also known as bilharzia, is a parasitic tropical disease caused by flatworms of the genus Schistosoma, primarily affecting the liver, intestines, and urinary tract.
Schizochytrium sp. is a marine microorganism recognized as a natural source of DHA (docosahexaenoic acid), widely used in dietary supplements and food production.
Schizophrenia is a severe mental disorder affecting perception, thinking, and behavior. People with schizophrenia may experience hallucinations, delusions, and disorganized thinking.
Die Schleimhaut schützt Körperhöhlen vor Erregern und spielt eine zentrale Rolle bei Immunabwehr, Verdauung und Wundheilung. Erfahre mehr über Aufbau, Funktionen und medizinische Bedeutung.
Der Schleimpfropf ist eine dicke, zähflüssige Schleimbarriere, die den Gebärmutterhals während der Schwangerschaft verschließt und das Eindringen von Keimen verhindert.
Schnappatmung (auch: Agonalatmung oder Agonieatmung) ist ein gestörtes, unregelmäßiges Atemmuster, das typischerweise bei einem schweren Sauerstoffmangel (Hypoxie) kurz vor dem Atemstillstand auftritt.
Schultze staining is a histochemical method used to detect cellulose and starch in plant tissue. It is widely applied in botany, food analysis, and pharmaceutical analytics.
The sciatic nerve is the largest nerve in the human body, supplying the leg with motor and sensory functions. Damage can cause severe pain, numbness, or paralysis.
Sciatica refers to pain along the sciatic nerve, radiating from the lower back through the buttock and down the leg. It is most commonly caused by a herniated disc or spinal stenosis.
Sciatica symptoms include pain, numbness, and tingling along the sciatic nerve – from the lower back down through the leg. Learn about causes, diagnosis, and treatment.
Scleral icterus is the yellowing of the white part of the eyes caused by elevated bilirubin levels in the blood. It is a common early sign of jaundice.
Scleroderma is a chronic autoimmune disease that causes hardening and thickening of the skin and internal organs. It belongs to the group of rheumatic connective tissue diseases.
Sclerosis refers to the abnormal hardening or thickening of tissue or organs. It can affect many body structures and has a variety of underlying causes.
Sclerostin is a protein produced by bone cells that inhibits new bone formation. It plays a key role in regulating bone metabolism and is a target for osteoporosis therapy.
Sclerotherapy is a minimally invasive procedure used to treat varicose veins and spider veins by injecting a sclerosing agent directly into the affected vessel.
Scoliosis symptoms include visible spinal curvature, back pain, and postural asymmetries. Learn how to recognize the signs and when to seek medical advice.
Skorbut ist eine durch Vitamin-C-Mangel verursachte Krankheit, die heute in Industrieländern selten ist, aber bei extremer Mangelernährung oder Essstörungen auftreten kann.
The SDAI (Simplified Disease Activity Index) is a validated clinical score used to measure disease activity in rheumatoid arthritis, combining joint assessments and laboratory values.
SDH deficiency is a rare metabolic disorder in which the enzyme succinate dehydrogenase does not function adequately, leading to severe neurological and metabolic complications.
SDMA (Symmetric Dimethylarginine) is a biomarker for kidney function. It helps detect kidney damage at an early stage, often before traditional markers show changes.
Sanddorn ist eine orangefarbene Beere des Sanddornstrauchs, die wegen ihres hohen Gehalts an bioaktiven Pflanzenstoffen als Lebensmittel und Naturprodukt genutzt wird.
Sebaceous glands protect the skin, but can lead to acne if they are overactive. Find out how you can regulate sebum production and inflammation holistically.
Sebaceous gland activity describes how actively the skin sebaceous glands produce sebum. It significantly influences skin appearance and is closely linked to acne and oily skin.
A sebaceous gland biopsy is a diagnostic procedure in which a small tissue sample is taken from a sebaceous gland and examined in the laboratory. It helps diagnose disorders of the sebaceous glands accurately.
Sebaceous gland ecological markers are biological indicators that characterize the activity and condition of sebaceous glands, aiding in the diagnosis and assessment of skin disorders.
Sebaceous gland ecology describes the interplay between sebaceous glands, the skin microbiome, and environmental factors. It plays a key role in skin health, acne, and the skin barrier balance.
Sebaceous gland ecology markers are biological parameters that describe the functional and biochemical state of the skin sebaceous glands. They are key to understanding conditions like acne and seborrheic dermatitis.
The sebaceous gland function test measures the activity of the sebaceous glands in the skin. It helps diagnose conditions such as acne or seborrhoeic dermatitis.
Sebaceous gland inflammation is an inflammatory condition of the skin glands that produce sebum, often causing redness, swelling, and pain. It can lead to pimples, cysts, or abscesses.
Sebaceous gland inhibition refers to the reduction of sebum production in the skin. It is a key therapeutic approach in the treatment of acne and oily skin.
A sebaceous gland inhibitor reduces the activity of the sebaceous glands and decreases sebum production in the skin. It is primarily used to treat acne and oily skin.
The sebaceous gland microbiome refers to the community of microorganisms living in and around the sebaceous glands of the skin, playing a key role in skin health.
Sebaceous gland oil, known as sebum, is the natural lipid secretion produced by the skin sebaceous glands. It protects the skin from drying out and has antimicrobial properties.
Sebaceous gland regulation refers to the control of sebum production in the skin. Hormones, diet, and skincare all influence how much oil the skin produces.
Sebaceous gland regulation markers are biological parameters that indicate the activity of the skin's sebaceous glands. They help detect overproduction of sebum in conditions such as acne or seborrhoea.
Sebaceous gland secretion, known as sebum, is the oily substance produced by the skin sebaceous glands. It protects skin and hair from drying out and forms a natural protective barrier.
Sebaceous gland secretion analysis examines the composition and quantity of skin sebum. It provides key diagnostic insights into conditions such as acne and seborrhoeic dermatitis.
Sebaceous gland stimulation refers to the activation of the skin´s sebaceous glands, causing them to produce more sebum. It can be triggered by hormones, diet, or external factors.
Sebaceous gland suppression refers to the targeted reduction of sebum production in the skin. It is a key therapeutic goal in the treatment of acne and oily skin.
Seborrheic keratosis, commonly known as age warts, are benign skin growths that frequently appear with advancing age. They are harmless but should be evaluated by a doctor if they change.
Seborrhoea is a condition of excessive sebum production by the skin's oil glands, leading to oily skin and dandruff. It commonly affects the scalp, face, and chest.
Das seborrhoische Ekzem ist eine chronisch-entzündliche Hauterkrankung, die vor allem talgdrüsenreiche Hautareale betrifft und mit Rötung sowie schuppigen Belägen einhergeht.
Secoisolariciresinol is a plant-based lignan found mainly in flaxseeds, converted in the body into estrogen-like compounds with potential health benefits.
Second-degree AV block is a cardiac conduction disorder in which some electrical impulses from the atria are partially or intermittently blocked before reaching the ventricles.
Secondary hyperaldosteronism is a condition in which the body produces too much aldosterone, triggered by an external cause such as kidney disease or heart failure.
Secondary hyperparathyroidism is an overactivity of the parathyroid glands caused by persistent low calcium or vitamin D deficiency, most commonly associated with chronic kidney disease.
Secondary substances (secondary plant substances) are bioactive compounds that plants produce to defend themselves against pests, protect against UV radiation or produce colour.
Secondary osteoporosis is bone loss caused by an underlying medical condition or medication use. Learn about causes, symptoms, diagnosis, and treatment options.
Secondary prevention refers to measures aimed at early detection of diseases before symptoms appear, enabling timely treatment and preventing long-term complications.
A secretion is a fluid produced and released by glands or specialized cells in the body, serving specific biological functions such as digestion or immune defense.
The Seddon classification divides peripheral nerve injuries into three severity grades: neurapraxia, axonotmesis, and neurotmesis. It is a cornerstone of neurological diagnosis.
The sedimentation coefficient describes how fast a particle sediments in a centrifuge. It is measured in Svedberg units (S) and is a key parameter in biochemistry and medicine.
A segmental fracture is a bone break in which a segment of bone is completely isolated by two separate fracture lines. It is a serious injury that often requires surgical treatment.
Segmented granulocytes are mature white blood cells with a multi-lobed nucleus. They play a key role in defending the body against bacterial and fungal infections.
The Segond fracture is a small avulsion fracture of the lateral tibial plateau and is considered a reliable indicator of an anterior cruciate ligament injury.
A seizure is a sudden, uncontrolled burst of electrical activity in the brain that can cause muscle spasms, loss of consciousness, or other neurological symptoms.
Selank is a synthetic neuropeptide originally developed in Russia. It is used to support the treatment of anxiety disorders and to promote cognitive function.
Selective describes in medicine the targeted action of a substance or procedure on specific cells, receptors or tissues, while leaving other structures largely unaffected.
Selective Estrogen Receptor Modulators (SERMs) are compounds that bind to estrogen receptors and act as agonists or antagonists depending on the target tissue.
Selective IgM deficiency is a rare immune disorder characterized by abnormally low levels of Immunoglobulin M in the blood while other antibody classes remain normal.
Selenoproteins are proteins that contain the trace element selenium in the form of selenocysteine. They play a key role in antioxidant defense and thyroid hormone metabolism.
Selenoprotein deficiency occurs when selenium intake is insufficient, impairing vital protective proteins in the body. Learn about causes, symptoms, and treatment options.
Selenoprotein kinetics describes how the body synthesizes, distributes, and degrades selenium-containing proteins. It is key to understanding selenium metabolism and health.
Selenoprotein kinetics markers are biochemical parameters that describe the metabolism and turnover rate of selenoproteins in the body, used to assess functional selenium status.
Selenoprotein optimization refers to the targeted support of the body's own selenoprotein synthesis through adequate selenium intake for health and metabolism.
Selenoprotein P is a selenium-containing transport protein produced in the liver that distributes selenium throughout the body. It is considered the most reliable biomarker for selenium status.
The selenoprotein profile describes the full set of selenium-dependent proteins in the human body, providing insight into functional selenium status and selenium-dependent metabolic processes.
Self-disclosure refers to the part of a message in which the sender reveals personal information about themselves. It is a key concept in communication psychology, therapy, and doctor-patient interaction.
Self-esteem refers to how positively or negatively a person evaluates themselves. A healthy self-esteem is essential for mental well-being and quality of life.
The Sellick maneuver is a technique used in anesthesia where pressure is applied to the cricoid cartilage to prevent aspiration of stomach contents during intubation.
Semaglutide is an active ingredient used to treat type 2 diabetes and obesity. It mimics the gut hormone GLP-1 to regulate blood sugar and body weight.
Semax is a synthetic neuropeptide-based nootropic derived from adrenocorticotropic hormone (ACTH). It is used to support cognitive function and as a neuroprotective agent.
The semi-recumbent position is a body posture in which the upper body is elevated at an angle of 30 to 60 degrees. It is widely used in nursing care and medicine.
Semiconservative describes the mode of DNA replication in which each daughter molecule retains one original parental strand and one newly synthesized strand.
Semimembranosus tendinopathy is a painful condition affecting the tendon of the semimembranosus muscle at the back of the thigh. It commonly occurs in athletes and causes pain at the posterior inner knee.
Senescence is the biological process by which cells permanently stop dividing. It plays a key role in aging and the development of age-related diseases.
Senolytics are compounds that selectively eliminate senescent cells from the body, helping to slow down aging and reduce the burden of age-related diseases.
Sense organs are specialized body structures that detect stimuli from the environment and transmit them to the brain, enabling sight, hearing, smell, taste, and touch.
Sensitization is the process by which the immune system develops a specific response to a substance, making the body susceptible to allergic reactions upon future exposure.
The sensorimotor system describes the interaction between sensory perception and motor control in the human body. It is essential for coordinated movement and motor learning.
Sensory cells are specialized cells in the human body that detect stimuli from the environment and convert them into nerve impulses, forming the basis of all sensory perception.
A sensory disturbance is an altered or impaired perception of touch, pain, or temperature stimuli. It may present as numbness, tingling, or abnormal sensations in various parts of the body.
Sensory perception refers to the ability of the nervous system to detect, transmit, and process stimuli from the environment and the body. It forms the basis for touch, pain, and temperature sensation.
Sensory processing describes how the nervous system receives, filters, and interprets sensory information. Disorders in this area can significantly affect daily life and well-being.
The sensory system refers to the body's ability to detect, transmit, and process stimuli from the environment and from within. It is fundamental to perception, movement, and overall health.
Seppuku is a Japanese form of ritual suicide historically practiced by samurai. In modern medicine and psychiatry, it is studied in the context of suicidology and cultural suicide research.
Septic arthritis is a serious joint infection caused by bacteria or other pathogens, classified as a medical emergency that requires immediate treatment.
The septum oesophagotracheale is an embryonic dividing wall that separates the esophagus from the trachea during fetal development. Malformations can lead to life-threatening connections between these two structures.
Sequence-based diagnostics analyzes the DNA or RNA sequence of an organism to detect diseases, identify pathogens, and precisely characterize genetic alterations.
Serology is a branch of medicine that examines antibodies and antigens in blood serum to diagnose infectious diseases, autoimmune conditions, and blood group characteristics.
Seronegative arthritis is a form of inflammatory joint disease in which typical blood markers such as rheumatoid factor are absent, yet joint inflammation persists.
Seropositive arthritis is a form of inflammatory joint disease in which specific antibodies are detectable in the blood, such as rheumatoid factor or anti-CCP antibodies.
The serosa is a smooth, moist tissue layer that envelops internal organs and lines body cavities, allowing frictionless movement of organs within the body.
Serotonergic refers to anything related to the neurotransmitter serotonin, including nerve pathways, receptors, and medications that influence the serotonin system.
Serotonin Deficiency Syndrome describes a condition in which the body does not produce enough serotonin, potentially leading to mood disorders, sleep disturbances, and depression.
Serotonin metabolism describes the production, function, and breakdown of the neurotransmitter serotonin in the body. It plays a key role in mood, sleep, digestion, and many other vital processes.
Sertraline is a prescription antidepressant belonging to the SSRI class, widely used to treat depression, anxiety disorders, and other mental health conditions.
Serum albumin is the most abundant protein in human blood plasma, playing a vital role in transport and fluid balance. Low levels may indicate liver, kidney, or nutritional disorders.
The serum ferritin marker is a laboratory value that reflects the body´s iron storage status. It is used to diagnose iron deficiency or iron overload.
Serum ferritin optimization refers to targeted measures aimed at adjusting the ferritin level in the blood to an optimal range for health and well-being.
The serum ferritin status reflects the measured ferritin level in the blood and provides insight into the body's iron stores. It is a key diagnostic marker for iron deficiency or iron overload.
Serum glucose refers to the concentration of glucose in the blood serum. It is a key laboratory value used to diagnose and monitor diabetes mellitus and metabolic disorders.
Serum homocysteine refers to the concentration of the amino acid homocysteine in the blood. Elevated levels are considered a risk factor for cardiovascular and neurological diseases.
The serum homocysteine level measures the concentration of the amino acid homocysteine in the blood. Elevated levels are considered a risk factor for cardiovascular disease and neurological disorders.
Serum iron refers to the concentration of iron measured in the liquid portion of the blood. It is a key laboratory marker used to diagnose iron deficiency or iron overload.
Serum lipid analysis is a blood test that measures blood fat levels such as cholesterol and triglycerides. It is used to assess cardiovascular risk and detect lipid disorders early.
Serum proteins are protein molecules dissolved in blood serum that perform vital functions including transport, immune defense, and blood clotting. Their levels reflect nutritional status and organ health.
Serum protein analysis is a laboratory method used to measure and separate the protein fractions in blood serum. It provides key diagnostic insights into liver disease, inflammation, immune disorders, and malignancies.
Serum zinc analysis is a blood test used to measure zinc levels in the serum. It helps diagnose zinc deficiency or zinc toxicity and is essential for assessing zinc metabolism.
The serum zinc level measures the concentration of zinc in the blood serum and is used to diagnose zinc deficiency or zinc excess. It is a key laboratory parameter in nutritional and metabolic medicine.
Sevoflurane is an inhaled anesthetic used for the induction and maintenance of general anesthesia. It acts rapidly and is well tolerated by patients of all ages.
Sex hormones are naturally produced chemical messengers that regulate sexual development, reproduction, and many vital body functions. The most important include estrogen, progesterone, and testosterone.
Sexually transmitted diseases (STDs) are infections passed primarily through sexual contact. Early diagnosis and treatment are essential to prevent complications.
SGLT2 inhibitors are medications used to treat type 2 diabetes, heart failure, and chronic kidney disease. They lower blood sugar by acting on the kidneys.
SHBG (Sex Hormone-Binding Globulin) is a transport protein in the blood that binds sex hormones such as testosterone and estrogen, regulating their availability in the body.
Shellac (E904) is a natural resin secreted by lac insects. It is widely used in the food industry as a glazing agent for fruit, confectionery, and in pharmaceuticals as a tablet coating.
The Sherren triangle is a clinical sign used in the diagnosis of appendicitis. It marks a triangular area of tenderness in the right lower abdomen indicating potential inflammation of the appendix.
Shilajit is a naturally occurring, mineral-rich resin that is found in the high mountains of the Himalayas, the Caucasus and other mountainous regions of the world.
Shin splints is a common overuse injury causing pain along the inner edge of the shinbone, frequently affecting runners and athletes. It is also known as medial tibial stress syndrome.
Die Gürtelrose-Impfung schützt vor einer Erkrankung durch das Varizella-Zoster-Virus, das nach einer überstandenen Windpockeninfektion im Nervensystem verbleibt und später als Gürtelrose (Herpes zoster) reaktiviert werden kann.
Short bowel syndrome occurs after the loss of a large portion of the small intestine, leading to serious malabsorption of nutrients, fluids, and vitamins.
The Short Cognitive Performance Test (SKT) is a neuropsychological assessment tool used to evaluate memory and attention deficits, commonly applied in the diagnosis and monitoring of dementia.
Short-chain fatty acids are natural metabolic byproducts produced in the gut through bacterial fermentation and play a key role in digestive and overall health.
Short-sightedness (myopia) is a common refractive error in which distant objects appear blurry. It occurs when the eye focuses light in front of the retina instead of directly on it.
The shoulder is the most mobile joint in the human body. It connects the arm to the trunk and allows a wide range of movements in nearly every direction.
A shoulder dislocation occurs when the head of the upper arm bone is forced out of the shoulder socket. It is the most common joint dislocation. Learn about causes, symptoms, and treatment options.
The shoulder girdle connects the arm to the trunk and enables a wide range of movement. Learn about its structure, function, and common musculoskeletal issues.
The shoulder joint is the most mobile joint in the body but also prone to injury. Learn more about its anatomy, common conditions and exercises for stability.
Shoulder pain is one of the most common musculoskeletal complaints, caused by injuries, inflammation, or wear and tear. It can significantly limit mobility and quality of life.
A shoulder tendon tear is a partial or complete rupture of one or more tendons in the shoulder, most commonly affecting the rotator cuff. It causes pain and limited range of motion.
A shunt is a surgically created connection that redirects fluid or blood around an obstruction. It is used in conditions such as hydrocephalus or vascular disease.
Sialorrhea refers to excessive drooling or the inability to control saliva in the mouth. It is often linked to neurological conditions and can significantly affect quality of life.
SIBO (small intestine overgrowth) causes flatulence, digestive problems and nutritional deficiencies. Find out more about the causes, symptoms and natural treatment options.
A sideroblastic disorder is a condition in which the bone marrow cannot properly incorporate iron into hemoglobin, leading to ring sideroblasts and a specific form of anemia.
Sideropenia refers to an iron deficiency in the body. It can cause fatigue, pallor, and difficulty concentrating, and is one of the most common nutritional deficiencies worldwide.
The Siebenschlafer (June 27) is a traditional German weather rule predicting summer weather. It also refers to a rodent and an ancient Christian legend. Learn more here.
Sigmoid diverticulitis is an inflammation of small pouches in the sigmoid colon, the last section of the large intestine. It typically causes pain in the lower left abdomen and requires medical treatment.
Signs of degeneration are clinical or imaging findings that indicate the breakdown of tissues or structures in the body. They often occur due to aging or chronic mechanical stress.
Signs of dehydration are physical indicators that the body lacks sufficient fluids. They range from mild dry mouth to severe confusion and loss of consciousness.
Recognizing the signs of a heart attack can save lives. Common symptoms include chest pain, shortness of breath, and pain radiating to the arm. Learn more now.
Signs of vagotonia are physical indicators of increased parasympathetic nervous system activity. They affect heart rate, digestion, and other body functions.
Sildenafil is a prescription medication used to treat erectile dysfunction and pulmonary arterial hypertension. It works by relaxing blood vessels and improving blood flow.
Silent inflammation, also known as "silent inflammation", refers to a chronic subliminal inflammatory reaction in the body that usually goes unnoticed - but contributes massively to the development of many diseases of civilisation
Silicon Dioxide (SiO2, E551) is a naturally occurring inorganic compound widely used in food, pharmaceutical, and industrial applications as an anti-caking agent and carrier substance.
Silychristin is a natural plant compound found in milk thistle and belongs to the silymarin group of flavonolignans. It exerts hepatoprotective and antioxidant effects.
Silydianin is a naturally occurring plant compound from milk thistle and belongs to the group of flavonolignans. It has antioxidant and hepatoprotective properties.
Simultaneous refers to events or processes occurring at the same time. In medicine, it describes concurrent diagnoses, treatments, or procedures, playing a key role in combination therapies and multimorbidity management.
Simultaneous vaccination refers to the concurrent administration of active and passive immunization against the same disease, such as rabies or tetanus, for immediate and long-term protection.
Sinding-Larsen-Johansson Syndrome is a painful overuse condition at the lower pole of the kneecap in children and adolescents, commonly triggered by repetitive sports activity.
A single nucleotide polymorphism (SNP) is a common genetic variation where a single nucleotide differs at a specific position in the genome. SNPs influence disease risk and medication responses.
Single-cell therapy is a complementary health concept in which living single-celled organisms – mainly microalgae or bacteria – are used to support health and well-being.
Sinupret forte is a herbal medicinal product used to treat acute and chronic inflammation of the paranasal sinuses (sinusitis). It helps liquefy mucus and supports normal sinus drainage.
In medical terminology, the sinus most commonly refers to the paranasal sinuses – air-filled cavities in the skull bones that are closely connected to the nasal cavity.
Sinus arrhythmia is an irregular heart rate originating from the sinus node, most commonly linked to breathing. It is generally considered a normal, harmless physiological finding.
Sinus floor augmentation is a surgical procedure to build up bone in the upper jaw, enabling the safe placement of dental implants in the posterior maxilla.
Sinusitis is an inflammation of the sinuses that can be acute or chronic. It causes facial pain, nasal congestion, and a feeling of pressure in the head.
Home remedies for sinusitis can help relieve pressure, pain, and congestion. Discover natural methods that support recovery alongside medical treatment.
A sippy cup helps babies and toddlers learn to drink from a cup. It bridges the transition from bottle or breastfeeding to drinking from a regular cup independently.
Sirtuins are a family of proteins that regulate cellular metabolism, DNA repair, and the aging process. They are central to modern longevity research and healthy aging science.
SISTRIX is a professional SEO software platform used to analyse website visibility, keywords, and competitors in search engines, helping businesses improve their online presence.
The Sitkowski sign is a clinical examination finding used when appendicitis is suspected. It is positive when the patient experiences right lower quadrant pain upon being turned to the left side.
Sitosterolemia is a rare inherited metabolic disorder in which plant sterols (phytosterols) accumulate in the blood and tissues, significantly increasing the risk of cardiovascular disease.
A situationship is a romantic or emotional connection without clear definitions or commitment. It falls between friendship and a relationship and can have significant effects on mental well-being.
SIV (Simian Immunodeficiency Virus) is a retrovirus that infects non-human primates and is considered the evolutionary predecessor of HIV. It plays a key role in HIV and AIDS research.
Skimmed milk powder is a high-protein, low-fat powder produced by removing water from fat-free milk. It is widely used in nutrition, food production, and clinical dietetics.
Skin appendages are specialized structures of the skin, including hair, nails, and glands. They perform essential protective and regulatory functions in the human body.
Skin barrier protection refers to measures and products that maintain and strengthen the natural protective function of the skin. An intact skin barrier prevents moisture loss.
Skin barrier regeneration refers to the skin's ability to restore its protective outer layer after damage. It is essential for healthy, resilient skin.
Skin blood flow refers to the circulation of blood through the extensive vascular network of the skin. It plays a key role in temperature regulation, nutrient supply, and wound healing.
Skin cancer is one of the most common cancers worldwide, caused by the uncontrolled growth of skin cells. Early detection significantly improves treatment outcomes and survival rates.
Skin collagen analysis measures the collagen content and structure within the skin. It helps objectively assess skin aging, collagen degradation, and the effectiveness of treatments.
The skin collagen structure describes the arrangement and molecular organization of collagen fibers in the skin, providing firmness, elasticity, and youthful appearance to the tissue.
Skin collagen synthesis is the process by which skin cells produce collagen, the key structural protein responsible for skin firmness, elasticity, and tissue regeneration.
Skin homeostasis refers to the natural balance of the skin that regulates regeneration, protection, and moisture levels, ensuring healthy and resilient skin.
Skin inflammation is an inflammatory reaction of the skin that causes redness, swelling, itching, or pain. It can be triggered by many different causes.
Skin microbiome balance refers to the equilibrium of microorganisms living on the skin. A healthy microbiome protects against infections and supports overall skin health.
A skin rash, medically known as an exanthema, is a visible change in the skin that can be characterised by redness, swelling, blisters, wheals or scaling.
Skin sebum regulation refers to the control of sebum production by the skin sebaceous glands. A balanced sebum level is essential for healthy skin and the prevention of acne.
Skin tags are small, benign growths of skin attached to the body by a thin stalk. They are harmless but can be cosmetically bothersome or cause discomfort due to friction.
A skull contusion is a blunt injury to the skull without a bone fracture. It typically results from falls or impacts and may cause pain, swelling, and bruising at the site of injury.
Skullcap (Scutellaria) is a calming and anti-inflammatory herb used for stress, sleep issues, and chronic inflammation. Learn more about its traditional and modern uses.
SLC6A8 is a gene encoding the creatine transporter CT1. Mutations cause a rare X-linked metabolic disorder characterised by intellectual disability and developmental delay.
Sleep aids are substances or medications that help people fall asleep more easily. They are used for sleep disorders and are available both over-the-counter and by prescription.
Sleep architecture analysis examines the structural composition of sleep and the sequence of its stages. It provides key insights into sleep quality and potential sleep disorders.
Sleep cycle optimization refers to targeted strategies aimed at improving the natural sleep phases to enhance recovery, health, and overall performance.
Sleep cycle optimization markers are biological and physiological parameters used to assess and improve sleep quality. They help detect sleep disorders early and guide targeted interventions.
Sleep cycle regulation refers to the biological mechanisms that control the progression through sleep stages. It is essential for restorative sleep and overall health.
Sleep deprivation refers to a condition in which a person does not get enough sleep over a period of time. It can significantly affect physical and mental health.
Sleep deprivation therapy is a psychiatric treatment for depression in which controlled sleep loss can rapidly improve mood symptoms within a single night.
With sleep disorders, those affected suffer from difficulties falling asleep, staying asleep or poor sleep quality, which can significantly impair their quality of life.
A sleep hormone analysis measures hormones like melatonin and cortisol that regulate sleep. It helps identify hormonal imbalances causing sleep disorders and guides targeted treatment.
Sleep hormone regulation describes how the body controls the sleep-wake cycle through hormones such as melatonin and cortisol. It is essential for restorative sleep and overall health.
A sleep onset disorder describes the persistent difficulty of falling asleep within a normal timeframe. It can be caused by stress, underlying health conditions, or poor sleep habits.
Schlafparalyse ist ein Zustand zwischen Schlaf und Wachsein, bei dem Betroffene bei vollem Bewusstsein sind, sich jedoch nicht bewegen oder sprechen können.
Sleep peptides are endogenous or synthetic protein fragments that promote sleep and regulate the sleep-wake cycle. They are considered key natural molecules for restorative sleep.
Sleep phase architecture describes the structured sequence of sleep stages during a night. Understanding it is essential for evaluating sleep quality and diagnosing sleep disorders.
Sleep phase optimization refers to targeted strategies for improving sleep architecture. The goal is restorative, deep sleep to support overall health and performance.
Sleep phases describe the different stages of sleep the body passes through each night. They are essential for physical recovery, memory consolidation, and overall health.
Sleep problems refer to difficulties falling or staying asleep and can significantly impact overall health. Learn about causes, symptoms, and treatment options.
Sleep quality describes how restorative and deep a person´s sleep is. Good sleep quality is essential for physical health, mental well-being, and daily performance.
The sleep quality index is a standardized tool used to assess the quality of sleep. It measures multiple dimensions of sleep and helps identify sleep disorders.
Sleep therapy refers to medical and therapeutic approaches used to treat sleep disorders. Its goal is to improve sleep quality and overall health and well-being.
The sleeping berry, also known as ashwagandha or Withania somnifera, is a medicinal plant that has been used in traditional Ayurvedic medicine for thousands of years.
A sliding hiatal hernia occurs when part of the stomach slides up through the diaphragm opening into the chest cavity. It is the most common type of hiatal hernia and often causes acid reflux and heartburn.
The so-called weight loss injection is a colloquial term for drug injections with GLP-1 analogues, which were originally developed for the treatment of type 2 diabetes
Slipped capital femoral epiphysis (SCFE) is a hip condition in growing children where the femoral head slips off the growth plate. It most commonly affects adolescents during puberty.
SMAD4 is a key tumor suppressor gene and signaling protein in the TGF-β pathway, regulating cell growth and differentiation, with a critical role in several cancers.
Small intestinal atrophy refers to the deterioration of the small intestine lining, severely impairing nutrient absorption. It is commonly associated with celiac disease, chronic inflammation, or malnutrition.
A smear infection is the transmission of pathogens via contaminated hands or surfaces. It is one of the most common routes of infection in everyday life.
A Smith fracture is a break of the distal radius (forearm bone) in which the bone fragment tilts toward the palm. It is considered the reverse of a Colles fracture.
Smoker's lung refers to chronic lung damage caused by long-term tobacco use. It includes COPD, emphysema, and chronic bronchitis, and is one of the most common preventable diseases worldwide.
The smooth endoplasmic reticulum is a cell organelle without ribosomes that synthesizes lipids, detoxifies harmful substances, and regulates calcium levels.
A smooth tongue is a symptom in which the tongue appears shiny, flat and reddened due to loss of papillae. It often indicates an underlying nutrient deficiency.
The SN1 reaction is a two-step nucleophilic substitution mechanism in organic chemistry, proceeding through a carbocation intermediate with characteristic racemization.
The SN2 reaction is a bimolecular nucleophilic substitution mechanism in which a nucleophile attacks a substrate and displaces a leaving group in a single concerted step.
The sneezing urge is a reflex-driven impulse to sneeze, triggered by irritation of the nasal mucosa. It can be caused by allergies, infections, or environmental stimuli.
Serotonin-norepinephrine reuptake inhibitors (SNRIs) are a class of modern antidepressants that block the reuptake of serotonin and norepinephrine in the brain.
Snus ist rauchfreier Tabak aus Skandinavien. Trotz fehlender Rauchbelastung birgt er gesundheitliche Risiken wie Krebs- und Herz-Kreislauf-Erkrankungen.
The German Social Code (Sozialgesetzbuch, SGB) is the central legal framework governing social security in Germany, covering health insurance, pension, care, and welfare benefits.
Social development is the lifelong process through which individuals acquire social skills, relationships, and behaviors that enable them to interact effectively within a community.
Socket preservation is a dental procedure performed after tooth extraction to maintain the jawbone structure, prevent bone loss, and prepare the site for a future dental implant.
Sodium acetate is the sodium salt of acetic acid, widely used in medicine, the food industry, and laboratory chemistry as a buffer and electrolyte source.
Sodium aluminosilicate (E554) is an approved food additive used as an anti-caking agent to prevent powdered foods from clumping together and to maintain their free-flowing properties.
Sodium benzoate (E211) is a widely used preservative in foods and beverages. It inhibits the growth of bacteria, yeasts, and molds to extend shelf life.
Sodium carbonate (Na2CO3) is an inorganic compound used as a food additive, in industry, and in medicine. It has strong alkaline properties and is commonly known as soda ash.
Sodium carboxymethyl starch is a modified starch derivative widely used as a tablet disintegrant in pharmaceuticals, helping medicines dissolve quickly in the digestive tract.
Natriumchlorid (NaCl), allgemein als Kochsalz bekannt, ist eines der am häufigsten verwendeten Mineralstoffe und spielt eine zentrale Rolle im menschlichen Körper.
Sodium ferrocyanide (E535) is an approved food additive used as an anticaking agent in table salt to prevent clumping and maintain free-flowing texture.
Sodium fluoride (NaF) is an inorganic fluoride compound widely used in dentistry for caries prevention and in medicine for the treatment of osteoporosis.
Sodium hyaluronate is the sodium salt of hyaluronic acid, widely used in medicine and cosmetics. It retains moisture, lubricates joints, and supports skin elasticity.
Sodium hydroxide solution, commonly known as caustic soda, is a highly alkaline aqueous solution of NaOH. It is widely used in industry and medicine but is strongly corrosive and hazardous to human tissue.
Sodium hypochlorite (NaOCl) is a chemical compound with powerful disinfecting properties. It is widely used in medicine, dentistry, and food hygiene as an antimicrobial and bleaching agent.
Sodium nitrite (NaNO2) is a chemical salt used as a food additive (E250) for curing and preserving meat products. It inhibits bacterial growth but can pose health risks in excessive amounts.
The sodium salts of guanosine-5'-phosphoric acid are food additives (E 627, E 630) used as flavor enhancers that intensify the savory umami taste in a wide range of food products.
Sodium salts of inosine-5'-phosphoric acid are food additives (E630-E633) used as flavor enhancers that intensify the savory, umami taste in processed foods.
Sodium salts of uridine-5-phosphoric acid are nucleotide compounds used in nutritional supplements and the food industry, playing a key role in cellular energy metabolism and RNA synthesis.
Sodium selenate is an inorganic selenium compound used as a dietary supplement and in medicine to supply the body with the essential trace element selenium.
Sodium sulfate is an inorganic salt used in medicine as an osmotic laxative and electrolyte solution. It supports bowel cleansing and is applied before colonoscopies and in the treatment of poisoning.
Sodium sulphite (E221) is a food additive used as a preservative and antioxidant. It protects food from oxidation and microbial spoilage, and is found in wine, dried fruit, and seafood.
Sodomy refers to sexual acts between a human and an animal. In medicine and psychology, this is classified as zoophilia or zoosexuality and is considered a paraphilic disorder.
A soft gelatin capsule is a flexible, sealed dosage form made from gelatin or plant-based materials, enclosing liquid or semi-solid active ingredients.
A soft tissue biopsy is a procedure in which a small sample of muscle, fat, tendon, or connective tissue is removed and examined to diagnose tumors, inflammation, or other conditions.
Soft tissue edema is an abnormal accumulation of fluid in the connective tissue, causing swelling, tightness, and pain. It can have a variety of underlying causes.
Soft tissue mobilization is a manual therapy technique targeting muscles, fascia, and connective tissue to relieve pain, reduce tension, and restore normal movement and function.
Solar erythema is an inflammatory reddening of the skin caused by excessive UV radiation exposure. It is commonly known as sunburn and can involve pain, swelling, and blistering.
Soluble ST2 (sST2) is a cardiac biomarker used to assess heart failure severity, prognosis, and cardiovascular risk by measuring a circulating decoy receptor in the blood.
Somatic dysfunction refers to impaired function of body structures such as muscles, joints, or fascia. It is diagnosed and treated in osteopathy and manual medicine.
Somatization refers to the occurrence of physical symptoms without a sufficient organic cause, triggered by psychological stress. Those affected experience real, distressing complaints.
Somatostatin is a naturally occurring hormone that inhibits the release of several other hormones. It plays a key role in regulating growth, digestion, and metabolism.
Somnolence refers to a state of excessive drowsiness and reduced alertness. Affected individuals can be awakened but respond slowly. It may indicate serious underlying medical conditions.
The Somogyi Effect describes a morning rise in blood sugar caused by the body overreacting to nighttime low blood sugar. It mainly affects people with diabetes mellitus.
Sonnenstürme entstehen durch Eruptionen auf der Sonne und können technische Systeme auf der Erde stören. Erfahre mehr über Ursachen und mögliche Folgen.
Sonography is a diagnostic imaging technique that uses ultrasound waves to visualize organs and tissues. It is painless, radiation-free, and widely used in medicine.
Soolantra is a prescription medication used to treat rosacea. It contains the active ingredient ivermectin and is applied as a cream directly to the skin.
Sorbic acid (E200) is a natural preservative that protects food from mold and yeast. It is considered safe and is approved by food safety authorities worldwide.
Sorbitol intolerance is a food intolerance in which the sugar alcohol sorbitol is not fully absorbed in the small intestine, causing symptoms such as bloating, abdominal pain, and diarrhea.
A sore throat is an inflammation of the throat area causing pain, difficulty swallowing, and redness. It commonly occurs with colds or bacterial infections.
Schmand (German sour cream) contains around 210 kcal per 100 g and is a rich fermented dairy product. Learn about its calories, nutrients, and culinary uses.
Soy protein is a plant-based protein derived from soybeans. It is considered a complete protein containing all essential amino acids and is widely used as a dietary supplement in vegan and vegetarian diets.
Soy protein isolate is a highly refined protein derived from soybeans, containing at least 90% protein. It is widely used in sports nutrition, meat alternatives, and processed foods.
Spasticity is a condition of abnormal muscle stiffness caused by increased muscle tone due to damage to the central nervous system. It commonly occurs after stroke, in multiple sclerosis, or following spinal cord injuries.
Special nutrition refers to medically adapted food products designed for individuals with specific dietary needs, such as allergies, metabolic disorders, or clinical malnutrition.
A specialist in dermatology and venereology diagnoses and treats diseases of the skin, hair, nails, and mucous membranes, as well as sexually transmitted infections.
A specialist in neurology is a physician focused on diagnosing and treating disorders of the nervous system, including conditions such as stroke, epilepsy, and multiple sclerosis.
A specialist in nuclear medicine uses radioactive substances for the diagnosis and treatment of diseases. Key procedures include PET, SPECT, scintigraphy, and radionuclide therapies.
Logopädie ist ein therapeutisches Fachgebiet zur Diagnostik und Behandlung von Störungen der Sprache, des Sprechens, der Stimme, des Schluckens und der Kommunikation.
Speed strength is the ability of the muscles to generate maximum force in the shortest possible time. It is essential in sports performance and medical rehabilitation.
A spermatocele is a benign, fluid-filled cyst that develops in the epididymis. It is usually painless and harmless, requiring no treatment in most cases.
Spermatogenesis is the biological process by which mature sperm cells are produced in the testes. It begins at puberty and continues throughout a man's life.
Spermidine is an endogenous substance that stimulates autophagy and is associated with cell protection, anti-ageing and healthy ageing. Find out more about its effects and use.
Spermine and spermidine are two closely related polyamines that play a crucial role in cell biology. Both are essential for cell growth, DNA stability and regeneration processes, but have different functions and focal points.
Sphingolipid synthesis is the biochemical process by which sphingolipids are produced – key components of cell membranes involved in signaling, cell growth, and programmed cell death.
Sphingomyelin is a key phospholipid found in animal cell membranes. It plays a central role in membrane stability, nerve function, and intracellular signaling.
A spider naevus is a benign skin lesion consisting of a central red spot with fine radiating blood vessels. It often occurs in liver disease or during pregnancy.
A Spigelian hernia is a rare type of abdominal wall hernia in which tissue protrudes through a weakness along the Spigelian line, located at the outer edge of the rectus muscle.
Spinal refers to anything related to the spine or spinal cord. In medicine, the term is commonly used to describe structures, conditions, or procedures involving the vertebral column or spinal cord.
Spinal canal stenosis is a narrowing of the spinal canal that puts pressure on the spinal cord and nerves, causing back pain, numbness, and difficulty walking.
Spinal cord compression is a serious medical condition in which the spinal cord is damaged by external pressure. It can cause paralysis, sensory disturbances, and loss of bladder or bowel control.
A spinal cord injury is damage to the spinal cord that can cause paralysis, loss of sensation, and other neurological deficits. It requires immediate medical attention.
Spinal cord stimulation is a minimally invasive pain therapy in which electrical impulses are delivered to the spinal cord via an implanted electrode to relieve chronic pain.
A spinal cord tumor is an abnormal growth in or around the spinal cord that can cause serious neurological symptoms. Early diagnosis and treatment are essential.
A spinal epidural hematoma is a rare but serious accumulation of blood in the epidural space of the spine that can compress the spinal cord and lead to paralysis.
Spinal osteoarthritis is a degenerative condition affecting the joints of the spine, causing pain and reduced mobility. It is one of the most common disorders of the musculoskeletal system.
Spinal shock is a transient neurological condition following acute spinal cord injury, characterized by complete loss of all motor, sensory, and reflex functions below the level of injury.
Spindle cells are elongated, spindle-shaped cells found in various tissues. In pathology, they are especially relevant as markers for certain benign and malignant tumor types.
Spinocerebellar refers to the connection between the spinal cord and the cerebellum. Together, these structures regulate movement coordination, balance, and posture.
The spinous cell layer (Stratum spinosum) is a layer of the epidermis located between the basal layer and the granular layer. It plays a key role in skin stability and immune defence.
Spirometry is a lung function test that measures breathing capacity and airflow. It helps diagnose conditions such as asthma and COPD quickly and non-invasively.
Spirulina ist eine blaugrüne Mikroalge, die zu den ältesten Lebewesen der Erde zählt und für ihre außergewöhnliche Nährstoffdichte geschätzt wird.
A splenic function test is a diagnostic procedure used to assess how well the spleen is working. It helps detect conditions such as hyposplenia or asplenia at an early stage.
Spondyloarthritis is a group of inflammatory rheumatic diseases primarily affecting the spine and sacroiliac joints. It includes conditions such as ankylosing spondylitis and psoriatic arthritis.
Spondylolisthesis is a spinal condition in which one vertebra slips forward over the one below it. It can cause back pain, nerve compression, and reduced mobility.
Spondylose ist ein Sammelbegriff für degenerative Veränderungen der Wirbelsäule, insbesondere im Bereich der Wirbelkörper und Zwischenwirbelgelenke.
Spoon feeding refers to giving infants and toddlers complementary foods using a spoon. It is a key step in the transition from milk feeding to solid foods.
A sports mouthguard protects teeth, jaw and soft tissues from injuries during physical activity. It is especially recommended for contact and combat sports.
Sports rehabilitation is a medical program designed to restore physical function and performance after sports injuries or surgery through targeted movement therapy.
Spotting refers to light vaginal bleeding outside of a normal menstrual period. It can have various causes and should be evaluated by a healthcare professional.
Spousal income splitting is a German tax procedure in which a married couple´s combined income is halved, taxed, and then doubled to reduce the overall tax burden.
Eine Verstauchung (Distorsion) ist eine Verletzung eines Gelenks, bei der die Bänder, Kapseln oder Weichteile überdehnt oder teilweise gerissen sind, ohne dass es zu einer Knochenfraktur kommt.
A sprained ankle occurs when the ligaments of the ankle joint are overstretched or torn. Common symptoms include pain, swelling, and limited range of motion.
A sprain is an injury to the ligaments surrounding a joint, often caused by twisting or overstretching. Common symptoms include pain, swelling, and limited range of motion.
Sprint performance refers to the body's ability to generate maximum speed over short distances. It is a key measure in sports science, athletics, and rehabilitation.
Sprout therapy uses germinated seeds such as wheatgrass or broccoli sprouts to support health. Sprouts are rich in vital nutrients, enzymes, and secondary plant compounds.
Sputum sanguinolentum refers to bloody or blood-tinged sputum coughed up from the respiratory tract. It may indicate various conditions affecting the lungs or bronchi.
Squamous cell carcinoma is a malignant tumor arising from squamous epithelial cells. It can affect the skin, mucous membranes, and internal organs, requiring early diagnosis and treatment.
Squamous epithelium is a flat cell tissue that lines many body surfaces. It protects organs and mucous membranes and plays a key role in medical diagnostics.
SS-31 (Elamipretide) is a synthetic, mitochondria-targeted peptide that supports cellular energy production and is being studied for various mitochondrial diseases.
Johanniskraut (Hypericum perforatum) ist eine der bekanntesten Heilpflanzen Europas und wird traditionell zur Stärkung des seelischen Gleichgewichts verwendet.
A stapedectomy is a microsurgical procedure of the middle ear in which the fixed stapes bone is removed and replaced with a prosthesis to restore hearing in patients with otosclerosis.
The stapedius reflex is an involuntary protective response of the middle ear in which the stapedius muscle contracts in response to loud sounds, shielding the inner ear from damage.
Stapedoplasty is a microsurgical procedure of the middle ear used to treat otosclerosis. The fixed stapes bone is replaced with a prosthesis to restore hearing function.
Stapedotomy is a microsurgical procedure of the middle ear used to treat otosclerosis, restoring hearing by inserting a small prosthesis into the stapes footplate.
Staphylococcal enterotoxicosis is a form of food poisoning caused by heat-stable toxins produced by Staphylococcus aureus bacteria. It leads to rapid onset of nausea, vomiting, and diarrhea.
Staphylococci are spherical bacteria commonly found on skin and mucous membranes. They can be harmless or cause serious infections depending on circumstances.
Staphylococcus ist eine weit verbreitete Bakteriengattung, deren Erreger Hautinfektionen, Sepsis und resistente Krankenhauskeime wie MRSA verursachen können.
Staphylococcus aureus is a gram-positive bacterium and one of the most common causes of skin, wound, and respiratory infections. Resistant strains such as MRSA pose a serious public health challenge.
Starch is a complex plant-based carbohydrate and the most important source of dietary energy. It is found in foods such as potatoes, grains, and legumes.
Start-up pain refers to pain that occurs at the beginning of movement after a period of rest and typically eases within minutes. It is a common symptom of osteoarthritis.
Stasis dermatitis is a chronic inflammatory skin condition affecting the lower legs, caused by impaired venous blood flow. It presents with redness, swelling, and itching.
Statin intolerance refers to the inability to tolerate statins, a commonly prescribed drug class for lowering cholesterol, due to side effects such as muscle pain or elevated liver enzymes.
Statin-associated muscle symptoms (SAMS) are muscle-related side effects that can occur during statin therapy, ranging from mild muscle pain to rare severe muscle damage.
Statine sind Medikamente, die gezielt den LDL-Cholesterinspiegel im Blut senken und damit das Risiko für Herz-Kreislauf-Erkrankungen, Herzinfarkt und Schlaganfall deutlich reduzieren.
Stearic acid is a saturated fatty acid naturally found in animal and plant fats, playing important roles in nutrition, medicine, and various industries.
Stearidonic acid (SDA) is a polyunsaturated omega-3 fatty acid found in certain plant oils. It is more efficiently converted to EPA in the body than ALA, making it a promising plant-based omega-3 source.
Stem cell therapy uses the body's own or donated stem cells to treat serious diseases. It aims to regenerate damaged tissue or rebuild a healthy immune system.
Stent implantation is a minimally invasive procedure in which a small tubular mesh device is inserted into a narrowed vessel or duct to keep it permanently open and restore normal flow.
Steroid biosynthesis is the process by which the body produces steroid hormones from cholesterol. It primarily occurs in the adrenal glands, gonads, and liver.
Stigmatization refers to the social devaluation of people based on specific characteristics. In healthcare, it commonly affects individuals with mental illness, addiction, or chronic conditions.
Still syndrome is a rare inflammatory disease related to rheumatoid arthritis, affecting both children and adults. It is characterized by spiking fever, joint pain, and a salmon-colored skin rash.
STING agonists are compounds that activate the innate immune receptor STING, triggering a powerful immune response. They are primarily investigated in cancer immunotherapy and infectious disease research.
Stockholm syndrome describes a psychological response in which hostages or victims develop emotional bonds with their captors. It is considered a protective mechanism of the psyche.
Stomach pain refers to discomfort or pain in the upper abdomen. It is very common and often harmless, but can sometimes indicate a more serious underlying condition.
Stomatitis is an inflammation of the oral mucosa that causes painful sores, redness, and swelling. It can be triggered by infections, irritants, nutritional deficiencies, or systemic diseases.
A stool analysis is a laboratory examination of a stool sample that provides insights into gut health, infections, inflammation, and digestive disorders.
The stool microbiome refers to the entirety of microorganisms found in human stool. It reflects the composition of the gut flora and serves as a key indicator of digestive and overall health.
A stool sample is a laboratory test of fecal matter used to detect diseases of the digestive tract. It aids in diagnosing infections, inflammation, and bowel conditions.
Storage protein deficiency refers to a lack of proteins that store essential nutrients in the body. It can impair metabolism and organ function significantly.
A stork bite is a harmless birthmark in newborns, appearing as a reddish patch on the neck, forehead, or eyelids. It usually fades on its own within the first years of life.
An upper thigh strain is a painful overstretching of the muscle fibers in the front, back, or inner thigh. It commonly occurs during sports and typically heals well with proper treatment.
The stratum germinativum (basal layer) is the deepest layer of the epidermis. It contains stem cell-like cells that continuously produce new skin cells.
The stratum granulosum is a layer of the epidermis where keratinocytes form granules and initiate keratinization. It plays a key role in the skin barrier function.
The stratum spinosum is a layer of the epidermis composed of prickle cells. It plays a key role in the mechanical strength and protective barrier function of the skin.
Stratus is a low-lying cloud type that forms a uniform, gray layer in the lower atmosphere. It is often associated with overcast skies, drizzle, and reduced visibility.
Strength training is a form of physical exercise that uses resistance to build and strengthen muscles. It supports muscle growth, bone density, and overall health.
Um das Immunsystem zu stärken, sollten Maßnahmen ergriffen werden, die die normale Funktion der körpereigenen Abwehr unterstützen und die Widerstandsfähigkeit gegenüber Krankheitserregern erhöhen.
Strengthening immune cells means actively supporting the body's defense system. Proper nutrition, sleep, and micronutrients help immune cells function more efficiently.
Pelvic floor strengthening: targeted exercises for better stability, continence, and well-being. Ideal after childbirth, for incontinence, or as prevention.
Streptococci are a group of bacteria that can be responsible for a variety of infections, from harmless colds to serious illnesses such as pneumonia and even blood poisoning (septicaemia);
Streptococcus is a genus of gram-positive cocci or spherical bacteria belonging to the Streptococcaceae family within the Lactobacillales order. Help to combat harmful microorganisms and stabilise the intestinal flora
Streptococcus pneumoniae is a spherical bacterium and one of the leading causes of bacterial pneumonia and meningitis worldwide. It poses a significant public health challenge across all age groups.
Stress hormones are chemical messengers released by the body during stressful situations. They prepare the body for fight or flight and influence many physiological functions.
The stress hormone level refers to the concentration of stress hormones such as cortisol and adrenaline in the blood. Elevated levels may indicate chronic stress or underlying medical conditions.
Stress hormones are chemical messengers released by the body during stressful situations. They prepare the organism for fight or flight and influence heart rate, metabolism, and immune function.
Stressmanagement bezeichnet eine Reihe von Techniken und Strategien, die darauf abzielen, die Auswirkungen von Stress zu reduzieren und das Wohlbefinden zu fördern.
The stress response is the body's natural reaction to threatening or demanding situations. It triggers physical and psychological changes that prepare the body for fight or flight.
Stress symptoms are physical and psychological complaints caused by prolonged strain. Common signs include sleep disturbances, headaches, and inner restlessness.
A stress ulcer is an acute gastric lesion that develops rapidly in critically ill patients or those under severe physiological stress. It can lead to dangerous gastrointestinal bleeding.
Stressors are stimuli or situations that trigger a stress response in the body. They can be physical, psychological, or social in nature and have significant effects on health.
Schwangerschaftsstreifen sind streifenförmige Hautveränderungen, die durch eine starke Dehnung des Bindegewebes während der Schwangerschaft entstehen.
A stroke (medical: apoplexy or cerebral insult) is an acute circulatory disorder in the brain in which nerve cells are no longer supplied with sufficient oxygen and nutrients.
Stroke risk refers to the likelihood of experiencing a stroke. Key risk factors include high blood pressure, atrial fibrillation, diabetes, and smoking.
Struma nodosa is a nodular enlargement of the thyroid gland, involving one or multiple nodules. It is one of the most common thyroid conditions worldwide.
A study participant, or proband, is a person who voluntarily takes part in a scientific study or clinical trial. Participants play a vital role in advancing medical research.
Subarachnoid hemorrhage is a life-threatening bleed into the subarachnoid space surrounding the brain, often causing a sudden, severe headache of extreme intensity.
Subchondral sclerosis is a hardening and increased density of the bone tissue located just beneath the joint cartilage. It is a hallmark radiological sign of osteoarthritis and results from elevated mechanical stress on the joint.
Subcutaneous adipose tissue is the layer of fat located directly beneath the skin, serving as an energy reserve, thermal insulation, and mechanical cushion.
A subcutaneous injection is a method of delivering medication directly into the fatty tissue just beneath the skin using a fine needle. It is commonly used for insulin, anticoagulants, and various other medications.
The subcutis is the deepest layer of the skin, composed mainly of fatty tissue. It provides thermal insulation, energy storage, and mechanical protection for the body.
The subdural space is a narrow gap between two layers of the brain's protective membranes. It lies between the dura mater and the arachnoid mater and is clinically important in cases of subdural bleeding.
Sublimation is a psychological defense mechanism in which unconscious drives or impulses are redirected into socially accepted and constructive behaviors.
Sublimation is an unconscious defense mechanism in psychology where unacceptable impulses are redirected into socially acceptable and constructive behaviors.
Substrate-level phosphorylation is a biochemical process in which ATP is produced directly from a high-energy substrate molecule. It is a key component of cellular energy metabolism.
Subtalar arthrodesis is a surgical procedure to fuse the subtalar joint, relieving pain and stabilising the hindfoot in cases of severe joint disease or deformity.
Succinyl-CoA is a key intermediate in the citric acid cycle, playing a central role in energy metabolism and in the biosynthesis of heme and amino acids.
Sucrose is a naturally occurring disaccharide composed of glucose and fructose, commonly known as table sugar. It provides quick energy but may harm health when consumed in excess.
Suction is a medical procedure in which fluids, secretions, or tissue are removed from the body using negative pressure. It is used in emergency medicine, surgery, and intensive care.
Sudan ebolavirus (SUDV) is a highly dangerous pathogen of the family Filoviridae that causes severe viral hemorrhagic fever with a high case fatality rate.
Ein Hörsturz ist ein plötzlich auftretender, meist einseitiger Hörverlust, der ohne erkennbare äußere Ursache auftritt. Betroffene berichten häufig von einem dumpfen Gefühl im Ohr, Tinnitus, Druckempfinden oder Schwindel.
Sufentanil is a highly potent opioid analgesic used primarily in anaesthesia and intensive care. It acts on opioid receptors in the brain and spinal cord to relieve severe pain.
In medicine, sufficient means adequate or effective enough to meet clinical requirements. It describes conditions, treatments, or care that fulfill the necessary medical standards.
Sugammadex is a medication used to reverse neuromuscular blockade after anaesthesia. It selectively binds muscle relaxants, enabling rapid recovery of muscle function.
Sugar is a carbohydrate that serves as a quick energy source for the body. Excessive sugar intake is linked to obesity, tooth decay, and conditions such as type 2 diabetes.
Sugar beet syrup is a natural sweetener made from concentrated sugar beet juice. It contains minerals and is traditionally used as a bread spread and baking ingredient.
Fructose, also known as fruit sugar, is a natural simple sugar found in fruits, vegetables, and honey, and widely used as a sweetener in the food industry.
Sugar substitutes are sweet-tasting substances used to replace conventional sugar in food. They provide fewer calories and have little to no effect on blood sugar levels.
Sugar withdrawal refers to the process of reducing or eliminating sugar intake, which can trigger physical and psychological symptoms. Learn about causes, stages, and helpful tips.
Suicide refers to the intentional act of ending one's own life. It is a complex event influenced by psychological, social, and biological factors, requiring both medical and societal attention.
Sulfasalazine is a medication used to treat chronic inflammatory conditions such as rheumatoid arthritis and Crohn's disease. It acts as an anti-inflammatory and immunomodulatory agent.
Sulfonamide antibiotics are bacteriostatic drugs that inhibit bacterial growth. They are commonly used to treat urinary tract infections and other bacterial diseases.
Sulforaphan ist ein sekundärer Pflanzenstoff aus der Gruppe der Isothiocyanate, der vor allem in Brokkoli, Brokkolisprossen, Kohlrabi und anderen Kreuzblütlern vorkommt.
Sulfur amino acids are essential building blocks of the human body that contain a sulfur atom. They play a key role in cellular protection, protein synthesis, and metabolic processes.
Sulfur dioxide (SO2) is a gaseous compound used as a food additive (E220) with preservative and antioxidant properties. It occurs naturally and in food production, but may cause adverse reactions in sensitive individuals.
Sulfuric acid (H2SO4) is a highly corrosive inorganic acid. Contact with skin, eyes, or mucous membranes can cause severe chemical burns and requires immediate medical attention.
Sun protection refers to measures that shield the skin from harmful UV radiation. It includes sunscreen, protective clothing, and behavioral guidelines to prevent sunburn and skin cancer.
The Sun Protection Factor (SPF) indicates how well a sunscreen protects the skin from UV radiation. The higher the SPF value, the greater the protection against sunburn.
Sunflower protein is a plant-based protein derived from sunflower seeds. It is valued as a nutritious alternative to animal proteins and is widely used in food and dietary supplements.
suPAR is a soluble biomarker found in blood that reflects immune activation and inflammation. Elevated levels are associated with severe and chronic diseases.
Supervision is a structured professional support format used in healthcare and social services to help practitioners reflect on their work and professional practice.
A supination trauma is the most common ankle injury, occurring when the foot rolls inward, overstretching or tearing the ligaments on the outer side of the ankle.
A supplement formula is a specially composed nutritional supplement that targets nutrient deficiencies and complements the daily diet with key vitamins, minerals, and other bioactive compounds.
Supplemental nutrition refers to foods or preparations used to complement a regular diet by providing targeted nutrients. It is used when nutritional needs cannot be met through everyday food intake alone.
Supportive therapy refers to all accompanying medical measures that aim to relieve symptoms and improve the quality of life of patients, especially those with serious illnesses.
Suppression of inflammation refers to the targeted inhibition of inflammatory processes in the body through medications, nutrients, or lifestyle changes.
A supramalleolar osteotomy is a surgical procedure in which the lower leg bone above the ankle joint is cut and realigned to correct axial deformities and relieve joint stress.
Suprascapular notch syndrome is a nerve entrapment condition where the suprascapular nerve is compressed at the scapular notch, causing shoulder pain and muscle weakness.
The supratrochlear foramen is an anatomical opening in the distal humerus found in some individuals above the trochlea, representing a normal variant with relevance in radiological imaging.
Surfactant deficiency occurs when the lungs produce insufficient surfactant, a substance vital for keeping the air sacs open, most commonly affecting premature newborns.
Surgical exposure of impacted teeth is a procedure in which teeth that are trapped in the jawbone or gum tissue are uncovered so they can be guided into their correct position.
Survodutide is a dual GLP-1/glucagon receptor agonist in clinical development for the treatment of obesity and metabolic dysfunction-associated steatotic liver disease (MASLD).
The sutura coronalis, or coronal suture, is a fibrous joint connecting the frontal bone to the two parietal bones of the skull. It plays a key role in skull development.
Swallowing difficulties describe problems moving food, liquids, or saliva from the mouth to the stomach. They can be mild or indicate a serious condition.
Swan-neck deformity is a finger deformity characterized by hyperextension of the middle joint and flexion of the end joint. It is most commonly associated with rheumatoid arthritis.
Sweating is a natural body function that regulates temperature. Excessive sweating, however, can indicate underlying conditions and significantly affect quality of life.
Swelling fiber analysis is a diagnostic method used to measure the swelling capacity of dietary fibers in food and nutritional supplements, providing key quality data for health and nutrition applications.
A swollen lymph node in the groin on one side can indicate a local infection, injury, or in rare cases a more serious condition. Early medical evaluation is recommended.
Swollen lymph nodes refer to the enlargement of one or more lymph nodes, often signaling an immune response to infection, inflammation, or in rare cases a more serious condition.
Swollen lymph nodes in the armpit can indicate infections, inflammation, or in rare cases more serious conditions. Learn about causes, symptoms, and treatment options.
Swollen lymph nodes on one side of the neck are often a sign of a local infection but can also indicate other conditions. Medical evaluation is recommended.
Symbiosis is the coexistence of two organisms with mutual benefits. Find out more about types of symbiosis, biological examples and their significance for humans.
The sympathetic nervous system is a key part of the autonomic nervous system that prepares the body for stress, activity, and physical performance by regulating involuntary functions.
Symphysis pain refers to pain in the area of the pubic symphysis, a cartilaginous joint at the front of the pelvis. It is especially common during pregnancy and can severely limit mobility.
Iron deficiency is one of the most common nutritional deficiencies worldwide and can cause a wide range of symptoms. Typical signs include fatigue, pale skin, and difficulty concentrating.
Magnesium deficiency can cause a wide range of symptoms, from muscle cramps and fatigue to heart rhythm disturbances. Learn how to recognize the signs of low magnesium.
Mumps in adults causes swollen salivary glands, fever, and pain. Symptoms are often more severe than in children and complications are more common. Learn more now!
Synaptic strength describes how effectively a nerve signal is transmitted from one neuron to another. It plays a key role in learning, memory, and overall brain function.
Synbiotics are combination supplements containing both probiotics and prebiotics that work together to promote gut health and support a balanced intestinal microbiome.
Syncope is a brief, temporary loss of consciousness caused by reduced blood flow to the brain. It starts suddenly and resolves spontaneously without medical intervention.
A syndesmosis injury is damage to the ligament complex connecting the tibia and fibula above the ankle joint. It commonly results from twisting or rotating the foot.
A syndesmosis ligament tear is an injury to the ligaments connecting the tibia and fibula at the ankle joint. It typically results from twisting and requires targeted treatment.
Syndesmosis repair is a surgical procedure to restore the ligamentous connection between the tibia and fibula after injury, stabilizing the ankle joint.
The syndesmotic ligament connects the tibia and fibula just above the ankle joint. Injuries to this structure are among the most common ankle injuries in sports.
A syndesmotic screw is a surgical implant used to stabilize the ankle mortise after ligament injuries to the syndesmosis, holding the tibia and fibula in correct anatomical alignment.
A syndrome is a combination of several symptoms and clinical findings that occur together and form a characteristic clinical picture. It describes a pattern of signs rather than a single defined disease.
A synovectomy is a surgical procedure in which the inflamed synovial membrane lining a joint is removed. It is most commonly used to treat rheumatoid arthritis.
Synovial fluid is a viscous liquid found in joint cavities that lubricates joints, nourishes cartilage, and absorbs mechanical shock. Changes in its composition can indicate joint disease.
Synovialitis is an inflammation of the synovial membrane lining the joint capsule. It causes joint pain, swelling, and restricted movement in the affected joints.
Synthesis in medicine and biochemistry refers to the production of molecules within the body or in a laboratory setting. It is fundamental to metabolic processes and pharmaceutical development.
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease in which the immune system mistakenly attacks healthy tissue, potentially affecting multiple organs throughout the body.
Phthalates are synthetic chemical compounds widely used as plasticizers in plastics. They are considered endocrine disruptors and may pose risks to human health, particularly in vulnerable populations.
Mycotoxins are toxic secondary metabolites produced by mold fungi that can contaminate food and feed, posing serious health risks to humans and animals worldwide.
Magnesiumcarbonat ist eine anorganische Magnesiumverbindung mit säure-neutralisierender (antazidischer) Wirkung. Erfahre mehr über Vorteile, Einsatzgebiete und Unterschiede zu besser resorbierbaren Magnesiumformen.