T-cell exhaustion is a state in which immune cells lose their ability to fight infections or cancer. It occurs during chronic infections and in tumor environments.
T-cell priming is the process by which naive T-lymphocytes are activated by antigen-presenting cells. It is a key step in launching a targeted adaptive immune response.
T-regulatory cells (Tregs) are specialized immune cells that suppress excessive immune responses and play a key role in preventing autoimmune diseases.
Tachyarrhythmia absoluta is a form of atrial fibrillation characterized by a rapid, completely irregular heartbeat. It requires prompt medical evaluation and treatment.
Tai Chi is a meditative movement practice that improves balance, reduces stress and supports overall health. Learn how this ancient Chinese art benefits mind and body.
Takayasu arteritis is a rare chronic inflammatory disease of the large blood vessels, primarily the aorta. It mainly affects young women and can lead to severe circulatory disorders.
Talar osteochondrosis is a condition affecting the talus bone of the ankle, involving damage to the cartilage and underlying bone. It causes pain and restricted movement in the ankle joint.
Talc is a naturally occurring mineral composed of magnesium silicate, widely used in medicine, pharmacy, and cosmetics for its moisture-absorbing and lubricating properties.
What is sebum and what role does it play in blemished skin? All about its functions, causes of excessive sebum production and tips on how to regulate it.
Talonavicular arthrodesis is a surgical procedure to permanently fuse the joint between the talus and navicular bone in the foot, relieving pain caused by severe deformity or arthritis.
Tamiflu is an antiviral medication used to treat and prevent influenza (flu). It contains the active ingredient oseltamivir and helps shorten the duration of illness.
Tamsulosin is an alpha-blocker medication primarily used to relieve urinary symptoms caused by benign prostatic hyperplasia (BPH), helping to improve urine flow.
Target cells are abnormal red blood cells with a distinctive bullseye appearance. They are an important diagnostic marker for various blood and liver disorders.
Targeted Next Generation Sequencing is a molecular genetic diagnostic method that analyzes selected gene regions with high precision and is used in precision medicine.
Targeted sequencing is a molecular genetic method in which specific gene regions are selectively analyzed to identify disease-causing mutations with high precision.
Tarsal tunnel syndrome is a nerve entrapment condition near the inner ankle where the tibial nerve is compressed, causing pain, numbness, and tingling in the foot.
The tarsus is the group of seven bones forming the rear and middle part of the foot, connecting the lower leg to the metatarsus and playing a key role in walking and standing.
The tarsus is the proximal bony section of the foot, composed of seven bones. It connects the lower leg to the midfoot and is essential for stability, shock absorption, and movement.
Tartaric acid is a naturally occurring organic acid found mainly in grapes and wine. It is widely used as a food additive (E334) and plays an important role in pharmaceuticals.
Tau proteins stabilise the neuronal cell framework. In Alzheimer's disease, pathological tau changes lead to cell degradation. Find out all about function, diagnostics and current therapeutic approaches.
Tau vaccines are innovative therapeutic approaches for Alzheimer's disease. They target pathologically altered tau proteins in order to slow down the progression of the disease. Find out more about the studies and mode of action.
Tauroursodeoxycholic acid (TUDCA) is a naturally occurring bile acid with potent cytoprotective properties. It is used medically and as a dietary supplement.
Tautomerism describes the equilibrium between two or more structural forms of a chemical compound that differ in the position of a proton and a double bond.
Taxifolin is a naturally occurring flavonoid with antioxidant and anti-inflammatory properties. It is widely studied in nutritional science and medicine.
TB-500 is a synthetic peptide derived from the naturally occurring protein Thymosin Beta-4, studied for its potential to support tissue healing, regeneration, and anti-inflammatory effects.
TBE symptoms include fever, headache, and neurological complaints. The tick-borne disease often follows a two-phase course. Learn about signs, progression, and prevention.
TBE (tick-borne encephalitis) is a viral disease transmitted by tick bites that can cause inflammation of the brain and meninges. Vaccination is the most effective preventive measure.
TBE treatment focuses on relieving symptoms, as no specific antiviral therapy exists. Vaccination and tick prevention are the most effective protective measures.
The TBE vaccination protects against tick-borne encephalitis, a viral disease affecting the nervous system. It is strongly recommended for people in risk areas.
TCM (Traditional Chinese Medicine) is a thousands-of-years-old healing system from China encompassing acupuncture, herbal medicine, dietary therapy, and Qi Gong exercises.
T-Dimer / TDimer ist ein Marker für aktive Gerinnung. Erfahre, wie erhöhte Werte Thrombosen anzeigen und wie die Diagnostik klinisch eingesetzt wird.
Tear fluid is a complex aqueous body fluid that moistens, protects, and nourishes the surface of the eye. It plays a vital role in maintaining ocular health and visual clarity.
Tectorigenin is a plant-derived isoflavone with antioxidant and anti-inflammatory properties, found in several medicinal plants and actively studied for its health benefits.
Teeth grinding therapy addresses bruxism – the unconscious grinding or clenching of teeth. Learn about causes, symptoms, and effective treatment options.
Telangiectasia refers to permanently dilated small blood vessels visible through the skin as red or purple thread-like lines. They are often harmless but can indicate underlying medical conditions.
A telescopic denture is a removable dental prosthesis anchored to remaining natural teeth via double crowns. It provides a secure fit and excellent aesthetics.
Teletherapy refers to therapeutic treatments delivered remotely via video conferencing, telephone, or digital platforms. It gives patients flexible, location-independent access to psychotherapy and other health services.
Telithromycin is an antibiotic belonging to the ketolide class, used to treat bacterial respiratory tract infections. It is effective against a broad range of pathogens.
Telomerase activity describes the ability of the enzyme telomerase to elongate shortened telomeres, protecting cells from aging. It plays a key role in cell biology, cancer research, and the biology of aging.
The telomerase enzyme is a specialized enzyme that extends the protective ends of chromosomes – the telomeres – helping to prevent cellular aging and maintain genomic stability.
Telomere biology studies the structure and function of telomeres – the protective caps at the ends of chromosomes – and their role in cellular aging and disease.
Telomere biology markers are measurable parameters that provide information about the length and condition of telomeres, serving as key indicators of biological aging and cellular health.
Telomere biology optimization refers to targeted strategies that protect and extend telomeres to slow cellular aging and promote long-term health and longevity.
The telomere biology optimization protocol combines lifestyle, nutrition, and targeted interventions to preserve telomere length, slow cellular aging, and support long-term health.
The telomere biology profile is a diagnostic test that measures the length and condition of telomeres – the protective caps on chromosome ends – providing insights into biological age and cellular health.
Telomere biology stability refers to the ability of telomeres to maintain their structure and function, thereby preventing cellular aging and genetic instability.
Telomere biology therapy is an innovative research approach aimed at lengthening and protecting telomeres in order to slow down aging processes and treat age-related diseases.
Telomere length analysis measures the protective caps at the ends of chromosomes. It serves as a molecular marker for cellular aging and biological age.
Telomere length biology studies the structure and function of telomeres – protective DNA caps at chromosome ends – and their role in aging and disease.
Telomere length maintenance refers to the biological processes that keep the protective caps at the ends of chromosomes stable, preventing premature cell aging and DNA damage.
Telomere length measurement is a diagnostic method used to determine the length of telomeres – the protective caps at the ends of chromosomes – as a biomarker for biological age and cellular health.
Telomere length regulation controls the protective caps at chromosome ends, influencing cellular aging, genome stability, and the development of diseases such as cancer.
Telomere length stability refers to the ability of cells to maintain the protective caps on chromosomes – a key factor in cellular health and biological aging.
Telomere length stabilization refers to the biological mechanisms and strategies that maintain telomere length in human cells, playing a key role in cellular aging and overall health.
Telomere length stabilization markers are biological parameters that assess the stability and length of telomeres – protective caps on chromosomes closely linked to cellular aging and health.
The telomere length test measures the protective caps at the ends of chromosomes. It provides insights into biological age and the risk of age-related diseases.
Telomere maintenance refers to the biological mechanisms that preserve the length and integrity of telomeres – the protective caps at the ends of chromosomes – supporting cell health and longevity.
Telomere regulation markers are biological parameters that measure the length and stability of telomeres, serving as key indicators of cellular aging and overall health.
Telomere shortening is the natural process by which the protective caps on chromosomes become shorter with each cell division, playing a key role in cellular aging and age-related disease.
Telomeres are the protective caps of chromosomes and play a central role in cell ageing and longevity. Find out more about their function, shortening and ways to preserve them.
The temporal bone (Os temporale) is a paired skull bone at the lateral skull base that houses the middle and inner ear and protects vital neurovascular structures.
Temporary means lasting for only a limited period of time. In medicine, the term describes conditions, symptoms, or interventions that are not permanent.
The temporomandibular joint connects the lower jaw to the skull and enables chewing, speaking, and mouth movement. TMJ disorders are among the most common jaw conditions.
Temporomandibular joint surgery treats disorders and dysfunctions of the jaw joint. It is used when conservative therapies have not provided sufficient relief.
The Ten Horn sign is a clinical examination finding used to diagnose acute appendicitis. It is elicited by traction on the testis and indicates peritoneal irritation near the appendix.
Tenderness refers to pain or discomfort felt when pressure is applied to a specific area of the body. It is a common clinical sign that may indicate inflammation, injury, or underlying disease.
Tendinopathy refers to painful conditions of the tendons, often caused by overuse or degenerative changes. Symptoms include pain, swelling, and reduced function in the affected area.
A tendon is a tough band of fibrous connective tissue that connects muscles to bones, enabling movement. Tendons are composed mainly of collagen and are a vital part of the musculoskeletal system.
A tendon biopsy is a diagnostic procedure in which a small tissue sample is taken from a tendon for microscopic analysis. It helps diagnose conditions such as tendinopathies or tumors.
Tendon inflammation of the hand is a painful irritation or inflammation of the tendons in the wrist or fingers. It is often caused by overuse and can significantly limit hand mobility.
A tendon prosthesis is an artificial implant used to replace a damaged or ruptured tendon when natural healing is no longer possible. It restores movement and function.
A tendon rupture is the complete or partial tearing of a tendon, often caused by injury or overuse. It leads to sudden pain, swelling, and loss of movement in the affected area.
Tendon rupture repair is a surgical procedure to restore a completely or partially torn tendon. The goal is to regain full mobility and load-bearing capacity of the affected joint.
Tendons are fibrous connective tissue structures that connect muscles to bones, enabling movement. They play a central role in the musculoskeletal system.
Sehnenscheidenentzündung (medizinisch: Tendovaginitis) ist eine entzündliche Reizung der Sehnenscheide, also der schützenden Hülle, die eine Sehne umgibt.
Tennis elbow is a painful condition caused by overuse of the tendons at the outer elbow. It is common among athletes and people performing repetitive arm movements.
Tenosynovitis is an inflammation of the tendon sheath that causes pain, swelling, and restricted movement. It most commonly affects the hand, wrist, and foot.
A teratoma is a rare germ cell tumor that can contain tissues from different parts of the body. It most commonly occurs in the ovaries, testes, or tailbone region.
Teriparatide is a bone-building medication used to treat severe osteoporosis. It is a synthetic parathyroid hormone fragment that actively stimulates new bone formation.
The terminal toe pad is a specialized anatomical structure found at the tips of the digits in various animals, functioning as a sensory organ and protective cushion for tactile perception.
Terminology refers to the complete set of specialized terms used in a particular field of knowledge. In medicine, it enables precise and standardized communication among healthcare professionals.
Terpinolene is a monoterpene hydrocarbon belonging to the class of terpenes, naturally occurring compounds responsible for the characteristic aroma of many plants.
Tertiary hyperparathyroidism is a condition in which the parathyroid glands produce excess parathyroid hormone autonomously, even after the underlying cause has been treated. It most commonly develops after long-standing chronic kidney disease.
The tesofensine-peptide stack combines the compound tesofensine with various peptides for weight loss. Learn about its mechanism of action, application, and safety profile.
Testicular cancer is a malignant tumor of the testis that most commonly affects young men between the ages of 15 and 40. It is highly treatable and has excellent survival rates when detected early.
Testicular torsion is an acute twisting of the testicle around its own axis, cutting off blood supply and representing a urological emergency requiring immediate surgery.
Testosterone is the primary male sex hormone, playing a key role in muscle strength, bone density, sexual function, and overall wellbeing in both men and women.
The testosterone biosynthesis pathway describes the biochemical steps through which the body produces testosterone from cholesterol. It occurs primarily in the testes, ovaries, and adrenal cortex.
Testosterone deficiency refers to abnormally low levels of testosterone in the blood. It can affect both men and women, causing a range of physical and psychological symptoms.
Tetanus, also known as lockjaw, is a life-threatening infectious disease caused by the bacterium Clostridium tetani, leading to severe and painful muscle spasms.
Tetracosahexaenoic acid (C24:6) is a long-chain polyunsaturated fatty acid of the omega-3 family and serves as a key intermediate in the biosynthesis of docosahexaenoic acid (DHA).
Tetracycline is a broad-spectrum antibiotic used to treat a wide range of bacterial infections. It works by inhibiting bacterial protein synthesis and requires a prescription.
Tetracyclines are broad-spectrum antibiotics used to treat a wide range of bacterial infections. They work by inhibiting bacterial protein synthesis and are effective against both gram-positive and gram-negative pathogens.
Tetrahydrobiopterin deficiency (BH4 deficiency) is a rare inherited metabolic disorder. Insufficient BH4 causes elevated phenylalanine levels and impaired neurotransmitter production, leading to neurological symptoms.
Tetralogy of Fallot is a congenital heart defect comprising four structural cardiac abnormalities that cause low oxygen levels in the blood. It is the most common cyanotic heart defect in children.
Thaumatin is a natural sweet-tasting protein derived from the West African katemfe fruit. It is one of the sweetest known substances and is approved as a food additive (E 957).
The thenar muscles are the group of muscles forming the fleshy mound at the base of the thumb. They enable the wide range of thumb movements essential for gripping and fine motor skills.
The therapeutic alliance describes the quality of the relationship between a patient and their therapist. It is considered a key factor in determining the success of psychotherapy.
Relief fasting is a deliberate, temporary abstinence from food in which solid food is replaced by low-calorie liquids such as water, tea or vegetable broth.
Therapy adherence describes how consistently patients follow their prescribed treatment plan. It is a key factor in achieving positive health outcomes.
Thermal imaging is a diagnostic technique that detects infrared radiation emitted by the body. It helps identify inflammation, circulatory disorders, and other conditions at an early stage.
Thermogenin (UCP1) is a protein found in brown adipose tissue that converts energy into heat. It plays a key role in thermogenesis and energy metabolism.
ThetaHealing ist eine energetische Heilmethode, die über den Theta-Gehirnwellenzustand tief sitzende Glaubensmuster transformieren soll – für emotionale Heilung und persönliche Entwicklung.
A thigh muscle strain is a painful overstretching of the thigh muscles. It commonly occurs during sports and causes sudden pain, swelling, and restricted movement.
A thoracic aortic aneurysm is an abnormal enlargement of the main artery in the chest. It often causes no symptoms but can become life-threatening if left untreated.
Thraustochytrium sp. is a genus of marine microorganisms known for producing high amounts of DHA, an essential omega-3 fatty acid widely used in nutritional supplements and infant formula.
Threonine is an essential amino acid that the human body cannot produce on its own and must obtain through diet. It plays a key role in protein synthesis, immune function, and gut health.
Throat cancer is a malignant tumor of the pharynx. It belongs to the head and neck cancers and is commonly linked to smoking, alcohol consumption, or HPV infection.
Thrombectomy is a medical procedure used to mechanically remove a blood clot (thrombus) from a blood vessel. It is commonly performed in cases of stroke, deep vein thrombosis, or pulmonary embolism.
Thrombin activation is a key step in blood coagulation in which the inactive precursor prothrombin is converted into the active enzyme thrombin, initiating stable clot formation.
The thrombin time is a laboratory test used to evaluate blood coagulation. It measures how quickly thrombin converts fibrinogen into fibrin to form a clot.
Thrombocytic refers to anything relating to thrombocytes, also known as platelets. The term describes processes, disorders, or functions directly associated with platelets in the blood.
Thrombocytopenia is a condition characterized by an abnormally low platelet count in the blood, which can lead to increased bleeding risk and has various underlying causes.
Thromboembolic refers to conditions or events in which a blood clot (thrombus) blocks a blood vessel or breaks free and causes an embolism in another part of the body.
Thromboembolism occurs when a blood clot (thrombus) forms in a vessel, breaks loose, and blocks another vessel. It can be life-threatening and requires prompt medical attention.
Thrombogenesis refers to the formation of a blood clot (thrombus) inside a blood vessel. It is a complex process that can be protective after injury but life-threatening when it occurs as a disease.
Thrombomodulin is a glycoprotein on the surface of vascular endothelial cells that plays a key role in inhibiting blood coagulation and regulating inflammation.
Thrombophlebitis is an inflammation of a superficial vein, usually associated with a blood clot. It causes pain, redness, and swelling along the affected vein and requires medical evaluation.
Thrombosis markers are blood laboratory values that indicate a thrombosis or elevated clotting activity. They support diagnosis and individual risk assessment.
A thumb base orthosis is an orthopedic splint that stabilizes the carpometacarpal joint of the thumb, used for osteoarthritis, injuries, and overuse conditions.
Thybon is a thyroid hormone preparation containing the active ingredient liothyronine (T3). Patient experiences report improved energy, mood, and metabolism in hypothyroidism cases.
Thybon (active ingredient: liothyronine) is a prescription thyroid hormone medication. Using it for weight loss is not medically approved and can be dangerous.
Thymine is one of the four nucleobases of DNA and belongs to the pyrimidine group. It plays a key role in the storage and transmission of genetic information.
Thymogen is a synthetic dipeptide derived from thymus proteins with immunomodulating properties, used in immune therapy to support and regulate immune function.
Thymosin is a naturally occurring peptide hormone produced by the thymus gland, playing a key role in immune cell maturation and immune system regulation.
The thymosin beta-4 fragment is a bioactive peptide derived from the full-length thymosin beta-4 protein, exhibiting regenerative, anti-inflammatory, and tissue-repairing properties.
Thyroglobulin measurement is a blood test used to detect levels of the protein thyroglobulin, which is produced exclusively by the thyroid gland. It is primarily used to monitor patients after thyroid cancer treatment.
The thyroid antibody profile is a blood test that measures specific antibodies targeting the thyroid gland, used to diagnose autoimmune conditions such as Hashimoto thyroiditis or Graves disease.
Thyroid autoantibodies are immune system antibodies that mistakenly target the body's own thyroid tissue, playing a key role in autoimmune thyroid diseases.
Thyroid cancer is a malignant tumor of the thyroid gland. It is the most common cancer of the endocrine system and, when detected early, is usually highly treatable with excellent long-term outcomes.
Thyroid function analysis is a diagnostic test that evaluates thyroid activity through blood markers such as TSH, T3, and T4 to detect disorders like hypothyroidism or hyperthyroidism.
Thyroid function optimization refers to all medical, nutritional, and lifestyle measures aimed at supporting the thyroid gland and balancing hormone metabolism for overall health.
A thyroid function test checks whether the thyroid gland is producing the right amount of hormones. It helps detect conditions such as an overactive or underactive thyroid at an early stage.
Thyroid hormone balance refers to the optimal equilibrium of T3 and T4 hormones produced by the thyroid gland, essential for metabolism, energy levels, and overall wellbeing.
The thyroid hormone balance analysis measures key thyroid hormones in the blood to assess the balance of thyroid function and detect disorders such as hypothyroidism or hyperthyroidism.
Thyroid hormone kinetics describes how thyroid hormones are absorbed, distributed, converted, and eliminated in the body. It is essential for diagnosing and treating thyroid disorders.
Thyroid hormone optimisation aims to fine-tune thyroid hormone levels to an individually ideal range, improving metabolism, energy, and overall well-being beyond standard reference values.
The thyroid hormone profile is a blood test that measures key thyroid hormone levels, helping to detect overactive or underactive thyroid function at an early stage.
The thyroid hormone receptor is a nuclear protein that binds thyroid hormones and regulates the activity of numerous genes. It plays a central role in metabolism, growth, and development throughout the body.
Thyroid hormone sensitivity describes how responsive the body´s cells are to thyroid hormones. Impaired sensitivity can cause symptoms even when hormone levels appear normal.
Thyroid hormone therapy replaces or supplements missing thyroid hormones in the body. It is primarily used for hypothyroidism and helps restore metabolism, energy levels, and overall well-being.
The thyroid microbiome describes the interactions between the gut microbiota and the thyroid gland. It plays a key role in thyroid function, hormone metabolism, and autoimmune thyroid diseases.
Thyroid resection is a surgical procedure to partially or completely remove the thyroid gland. It is used to treat conditions such as thyroid cancer, goiter, or hyperthyroidism.
Thyroid inflammation, also known as thyroiditis, is a disease in which the thyroid gland becomes inflamed, which can impair the function of this important organ.
A TIA (transient ischemic attack) is a brief disruption of blood flow to the brain that causes stroke-like symptoms which fully resolve within 24 hours. It is a serious warning sign for stroke.
Tibial bone marrow is the bone marrow located inside the tibia (shinbone). It plays a key role in blood cell production and serves as an emergency vascular access route in critical care.
A tibial plateau fracture is a break at the upper end of the shinbone, affecting the knee joint. It often requires surgical treatment for full recovery.
Tibiotalar arthrodesis is a surgical procedure to fuse the ankle joint. It is used for severe arthritis or instability to achieve lasting pain relief and joint stability.
Tibiotalocalcaneal arthrodesis is a surgical procedure in which the ankle joint and subtalar joint are fused together to relieve chronic pain and restore stability to the hindfoot.
Ticks are blood-sucking arachnids known as vectors of diseases such as Lyme disease and tick-borne encephalitis. Prompt removal after a bite is essential.
A tick bite occurs when a tick pierces the skin to feed on blood. While often harmless, tick bites can transmit serious diseases such as Lyme disease or TBE.
Erythema migrans is the hallmark early sign of Lyme disease following a tick bite. It appears as an expanding circular rash and requires prompt medical treatment.
Tick bite fever refers to a febrile illness following a tick bite, caused by pathogens transmitted during feeding. Early diagnosis and treatment are essential for recovery.
Redness after a tick bite can be a harmless skin reaction or a sign of infection such as Lyme disease. Careful observation and medical evaluation are essential.
Tick bite treatment involves immediate removal of the tick, wound disinfection, and medical monitoring for signs of Lyme disease or tick-borne encephalitis (TBE).
The tick bite vaccination protects against tick-borne encephalitis (TBE), a viral disease transmitted by tick bites. It is recommended for people living in or traveling to risk areas.
Tick-borne encephalitis (TBE) is a viral infection transmitted by tick bites that can affect the brain and meninges. Vaccination provides effective protection.
The tick-borne encephalitis (TBE) vaccine protects against a serious brain infection spread by ticks. Side effects are usually mild and temporary, resolving within a few days.
TightRope fixation is a minimally invasive surgical technique used to stabilize joints such as the acromioclavicular joint or the ankle syndesmosis using a flexible implant system.
TIL therapy is an innovative cancer immunotherapy in which tumor-infiltrating lymphocytes are harvested from a patient, expanded in the lab, and reinfused to fight cancer.
Tilidine is a prescription opioid analgesic used to treat moderate to severe pain. It acts centrally in the brain and spinal cord and is commonly combined with naloxone.
The TIM-3 signaling pathway is an immunoregulatory mechanism that promotes T cell exhaustion and plays a key role in tumor immune evasion and chronic infections.
TIMP-1 (Tissue Inhibitor of Metalloproteinases 1) is a naturally occurring protein that regulates connective tissue breakdown and is used in medicine as a diagnostic biomarker.
Tirzepatide is a modern medication for treating type 2 diabetes and obesity. As a dual GIP and GLP-1 receptor agonist, it lowers blood sugar and significantly reduces body weight.
Tissue acid load refers to the accumulation of acidic metabolic byproducts in body tissues, disrupting the natural acid-base balance and potentially causing various health complaints.
A tissue biopsy is a medical procedure in which a small sample of body tissue is removed and examined in a laboratory to diagnose diseases such as cancer or inflammation.
Tissue degeneration refers to the structural and functional breakdown of body tissue. It can result from aging, disease, or external influences and affects various organ systems.
Tissue growth factors are naturally occurring signaling proteins that regulate cell growth, division, and tissue repair. They play a key role in wound healing and tissue development.
Tissue hormone balance refers to the equilibrium of locally acting signaling molecules within body tissues. Disruptions can lead to inflammation, pain, and metabolic disorders.
Tissue hormone kinetics describes how locally acting hormones are absorbed, distributed, metabolized, and eliminated within body tissue. It is key to understanding local hormonal effects.
Tissue hormones are locally acting messenger substances produced directly within body tissues. Unlike classical hormones, they act near their site of origin and regulate a wide range of physiological processes.
Tissue hypoxia refers to an insufficient supply of oxygen to the body tissues. It can damage vital organs and requires prompt medical evaluation and treatment.
Tissue oxygen refers to the availability and delivery of oxygen within body tissues. Adequate tissue oxygenation is essential for cellular function and overall organ health.
Tissue oxygen measurement determines the oxygen level directly in body tissue. It helps clinicians monitor organ and muscle oxygenation and detect critical conditions at an early stage.
Tissue oxygen supply describes the delivery of oxygen to the body´s cells. It is essential for cellular energy metabolism and the survival of all tissues and organs.
Tissue regeneration is the biological ability of the body to restore damaged or lost tissue through cellular and molecular processes. It is a key component of wound healing and recovery from injury.
Tissue remodeling is the biological process by which the body breaks down, renews, and restructures its tissues. It is essential for wound healing, development, and many disease processes.
Tissue transplantation is a medical procedure in which biological tissue is transferred from a donor to a recipient to restore function or treat injury.
Tissue water content refers to the proportion of water present in the body tissues. It is a key indicator of the body fluid balance and overall health.
Titanium dioxide (TiO2, E171) is a white pigment used in foods, cosmetics, and medicines. Its safety as a food additive is currently under scientific and regulatory scrutiny.
A TLR agonist is a substance that activates Toll-like receptors, thereby stimulating the innate immune system. It is used in vaccines, cancer therapies, and infectious disease research.
TM6SF2 is a gene that plays a key role in hepatic lipid metabolism. Variants of this gene are linked to non-alcoholic fatty liver disease, liver cirrhosis, and cardiovascular conditions.
TMAO (trimethylamine oxide) is a compound produced in the gut from certain dietary nutrients and has been linked to an increased risk of cardiovascular disease.
TNF-alpha (tumor necrosis factor-alpha) is a pro-inflammatory signaling molecule of the immune system. It plays a central role in inflammatory responses and is linked to numerous autoimmune diseases.
tNGS (Targeted Next Generation Sequencing) is a modern molecular diagnostic method enabling focused genetic analysis, widely used in infectious disease and oncology.
The TNM classification is an internationally recognized system for describing the extent of cancer based on tumor size, lymph node involvement, and distant metastases.
Tocopherol extract is a collective term for various forms of vitamin E, which are obtained from natural sources such as vegetable oils (e.g. sunflower, wheat germ or soya oil) and processed into a concentrated extract. vegetable oils (e.g. sunflower, wheat germ or soya oil) and processed into a concentrated extract.
Tocopherol-containing extracts are plant-based preparations with a high content of tocopherols (Vitamin E). They act as antioxidants and are used in foods, dietary supplements, and cosmetics.
The toe is one of the five digits of the human foot, essential for balance and walking. Common conditions include bunions, fractures, and fungal nail infections.
A toe fracture is a break in one or more of the small bones of the toes. It commonly results from stubbing, a heavy object falling on the foot, or overuse, causing pain, swelling, and limited mobility.
Tolerogenic dendritic cells are specialised immune cells that suppress excessive immune responses and promote immunological tolerance throughout the body.
Toll-like receptors (TLRs) are proteins of the innate immune system that detect pathogens and trigger an immune response. They are essential for the body's defense against infections.
Toluene is an aromatic hydrocarbon widely used as a solvent in industry and laboratories. Excessive exposure can cause damage to the nervous system, liver, and kidneys.
The Tomes fiber is a dental term for the cytoplasmic process of the odontoblast that extends through the dentinal tubules and plays a key role in dentin formation.
Tonsillitides are inflammations of the palatine tonsils caused by bacteria or viruses. They typically present with sore throat, difficulty swallowing, and fever.
Tonsillitis is an inflammation of the tonsils, most commonly caused by viral or bacterial infections. It typically presents with sore throat, difficulty swallowing, and fever.
Tonsillitis is often contagious and is usually spread by viruses or bacteria. Learn how long you are infectious and how to protect yourself and others.
Tonsillitis can be treated with rest, plenty of fluids, and pain relief. Learn when antibiotics are needed and which home remedies can effectively soothe symptoms.
The tonsils are clusters of lymphatic tissue located in the throat and form part of the immune system. They help defend the body against bacteria and viruses.
An excessive intake of vitamin C can lead to gastrointestinal complaints and kidney stones. Find out all about the symptoms, limits and sensible dosage of vitamin C supplements here.
Tooth enamel is the outermost, hardest layer of the tooth and consists of around 96% minerals, mainly hydroxyapatite, a crystalline form of calcium phosphate.
Tooth enamel remineralization is the natural or supported process of restoring lost minerals to tooth enamel, helping to prevent cavities and strengthen teeth.
Tooth extraction is a dental procedure in which a tooth is removed from its socket in the jawbone. It is performed in cases of severe decay, infection, or overcrowding.
The tooth neck is the anatomical transition area between the crown and the root of the tooth, i.e. exactly where the visible part of the tooth meets the gum.
Tooth preservation covers all dental procedures aimed at keeping natural teeth for as long as possible, including fillings, root canal treatment, and caries prevention.
Tooth root inflammation is an infection or inflammation at the root of a tooth, usually caused by bacteria. It often causes severe toothache and requires prompt dental treatment.
Tooth transplantation is a surgical procedure in which a natural tooth is moved from one position in the mouth to another. It serves as a biological alternative to dental implants.
Top of the basilar syndrome is a severe ischemic stroke caused by occlusion of the tip of the basilar artery, leading to life-threatening neurological deficits.
Tophi (singular: tophus) are hard deposits of uric acid crystals that form in tissues as a result of chronic gout, commonly affecting joints, tendons, and skin.
Topical anaesthesia is a local pain-relief method in which anaesthetic agents are applied directly to the skin or mucous membranes to block pain sensations temporarily.
Torasemide is a loop diuretic used to treat fluid retention (edema) and high blood pressure. It works by increasing the excretion of water and salts through the kidneys.
Total ankle replacement is a surgical procedure that replaces a damaged ankle joint with an artificial implant. It relieves pain and preserves mobility in severe ankle arthritis.
Total antioxidant capacity (TAC) measures the ability of the body to neutralize free radicals and combat oxidative stress. It is a key biomarker reflecting the overall antioxidant status of an organism.
A total endoprosthesis is an artificial joint that completely replaces a worn or damaged joint. It is most commonly used for hip and knee replacements.
Hip replacement is a surgical procedure in which a damaged hip joint is replaced with an artificial implant. It relieves pain and restores mobility in patients with severe joint disease.
Total iron binding capacity (TIBC) measures how much iron the blood can maximally transport. It is a key laboratory value for assessing iron metabolism and diagnosing iron disorders.
A total prosthesis replaces an entire joint with an artificial implant. It is used in cases of severe joint degeneration or arthritis to relieve pain and restore mobility.
Toxicology is the science that studies the effects of toxic substances on living organisms. It is a key discipline in medicine, pharmacology, and environmental science.
Toxoplasmose ist eine Infektion, die durch den Parasiten Toxoplasma gondii verursacht wird und insbesondere bei Schwangeren, immungeschwächten Personen und in bestimmten Ländern ein gesundheitliches Risiko darstellt.
Toxoplasmosis in pregnancy is an infection caused by the parasite Toxoplasma gondii that can pose serious risks to the unborn child. Early diagnosis and treatment are essential.
Trabeculae are fine tissue strands or bone spicules found in various organs, providing structural support and stability. They are an essential architectural component of the human body.
The trabecular artery is a small blood vessel within the spleen that carries blood through splenic tissue, supporting immune defense and blood filtration.
The TRABTRAP study investigates the efficacy of tTF-NGR + trabectedin in advanced soft tissue sarcoma. Find out more about the study objective, mechanism of action and inclusion criteria.
Trace elements act as catalysers in the enzyme system. Some metal ions, such as iron and copper, are involved in oxidation-reduction reactions in energy metabolism.
Tracheal deviation refers to the lateral displacement of the trachea from its normal midline position. It is an important clinical sign associated with several serious chest conditions.
Tramadol is a prescription opioid analgesic used to treat moderate to moderately severe pain. It acts on the central nervous system through a dual mechanism of action.
Trans-Resveratrol ist die biologisch aktive Form des pflanzlichen Polyphenols Resveratrol, das vor allem in der Schale roter Trauben, in Beeren, Erdnüssen und in geringem Maß auch in Rotwein vorkommt.
Transamination is a biochemical reaction in which amino groups are transferred between amino acids and keto acids. It plays a central role in amino acid metabolism.
Transdermal hormone therapy is a treatment in which hormones are delivered into the body through the skin. It is commonly used to relieve menopausal symptoms.
Transepidermal water loss (TEWL) refers to the amount of water that passively evaporates through the skin to the surrounding environment. It is a key indicator of skin barrier function.
Transference is a key concept in psychoanalysis where patients unconsciously redirect feelings from past relationships onto their therapist during treatment.
Transferrin saturation indicates what percentage of the iron-binding protein transferrin in the blood is actually loaded with iron. It is a key lab value for assessing iron metabolism.
The transferrin saturation (TSAT) shows how much iron is transported in the blood. Find out what the value means, how it is calculated and when it is conspicuous.
A transfusion reaction is an adverse response of the body during or after a blood transfusion. Causes include blood type incompatibility, allergic responses, or infection.
Transient elastography is a non-invasive imaging technique used to measure liver stiffness. It helps detect liver fibrosis early without the need for a biopsy.
Hüftschnupfen (medizinisch: Coxitis fugax) ist eine vorübergehende Entzündung des Hüftgelenks, die vor allem bei Kindern zwischen 3 und 10 Jahren auftritt.
A transitional vertebra is an anatomically altered vertebra located at the junction of two spinal segments. It can cause back pain and postural issues.
Transplant rejection is an immune response in which the body attacks a transplanted organ or tissue. It can occur after organ transplants and requires targeted medical treatment.
Transplantation is the transfer of organs, tissues, or cells from a donor to a recipient. It is used to treat severe diseases involving organ failure and can be life-saving.
A transport protein deficiency occurs when proteins responsible for carrying substances through the blood or across cell membranes are lacking. This can lead to nutrient deficits and disease.
Transtracheal aspiration is a diagnostic procedure used to collect secretions directly from the lower airways through the trachea for microbiological analysis in suspected lung infections.
The transverse cell membrane is a specialized membrane structure found in certain tissue types, acting as a barrier and transport interface between cell layers.
A transverse fracture is a bone break in which the fracture line runs perpendicular to the long axis of the bone. It is most commonly caused by direct impact.
Transverse lie is an abnormal fetal position in which the baby lies sideways in the uterus. It requires medical monitoring and usually delivery by caesarean section.
The transverse process is a lateral bony projection found on each vertebra of the spine. It serves as an attachment point for muscles and ligaments and plays a key role in spinal stability.
A transverse process block is a minimally invasive pain procedure in which a local anesthetic is injected near the transverse process of a vertebra to relieve back pain.
A transverse process fracture is a break in one of the bony projections on the side of a vertebra. It usually results from significant trauma and is diagnosed through medical imaging.
Transverse process irritation refers to a mechanical or inflammatory irritation of the bony transverse processes of the spine, causing local back and flank pain.
A transverse process joint block is a minimally invasive spinal pain procedure in which a local anesthetic is injected precisely into or around the affected joint to relieve pain.
Transverse process stimulation therapy is a manual therapy technique that applies targeted mechanical stimuli to the transverse processes of the vertebrae to relieve back pain and muscle tension.
Trauma refers to a severe physical injury or a profound psychological shock caused by an overwhelming event. It can have long-lasting effects on health and well-being.
Traumatic brain injury (TBI) is a brain injury caused by an external force to the head. Depending on severity, consequences range from brief loss of consciousness to permanent neurological damage.
Traumatology is the medical specialty focused on the diagnosis, treatment, and rehabilitation of injuries caused by external forces such as accidents or falls.
Treat-to-Target is a medical treatment strategy in which therapy is consistently directed toward a clearly defined goal and adjusted until that target is achieved.
Treatment failure in tuberculosis occurs when therapy does not achieve sufficient results despite correct administration. Common causes include drug resistance, poor adherence, and delayed diagnosis.
Trehalose is a naturally occurring disaccharide found in fungi, insects, and plants, widely used as a food additive and in pharmaceutical applications.
Tremor is an involuntary, rhythmic shaking of parts of the body. It most commonly affects the hands, head, or voice and can have many underlying causes.
An easily absorbable form of magnesium that supports muscle and nerve function. This form of magnesium has double the amount of elemental magnesium (approx. 16 %) compared to conventional citrate (approx. 8 %).
Triamcinolone acetonide is a synthetic corticosteroid with potent anti-inflammatory effects. It is used to treat skin, joint, and respiratory conditions.
Triazole antifungals are a key class of medications used to treat fungal infections. They work by inhibiting ergosterol synthesis, targeting a wide spectrum of fungal pathogens effectively.
Tricalcium phosphate (E341) is a calcium compound used as a food additive and dietary supplement. It provides calcium and phosphorus, supporting bone and dental health.
The tricuspid valve is one of the four heart valves, located between the right atrium and the right ventricle. It ensures a one-directional blood flow through the heart.
Trigeminal neuralgia is a severe, episodic facial pain disorder affecting the trigeminal nerve. The sudden, electric shock-like pain attacks are considered one of the most intense pain conditions known in medicine.
A trigger is a stimulus that initiates a physical or psychological reaction in medicine. Triggers can provoke symptoms, attacks, or flare-ups of a condition.
Trigger point treatment targets painful muscle knots known as trigger points to relieve pain and restore mobility. It is a key part of modern pain therapy.
A trigger reaction is a physical or psychological overreaction to a specific stimulus. It occurs in allergies, intolerances, or trauma-related disorders such as PTSD.
The Triglyceride-Glucose Index (TyG Index) is a simple blood marker used to estimate insulin resistance, calculated from fasting triglyceride and glucose values.
Triglyceride-lowering agents are medications or substances used to reduce elevated triglyceride levels in the blood, thereby lowering the risk of cardiovascular disease.
Triglycerides are blood fats that serve as energy storage. Elevated levels increase the risk of heart disease. Learn about causes and natural ways to lower them.
Trigonal planar describes a molecular geometry in which a central atom is bonded to three partners arranged in a flat triangle with bond angles of 120 degrees.
Trimalleolar fracture repair is the surgical treatment of a three-malleolus ankle fracture. All three bony prominences of the ankle are stabilized to restore joint function.
Trimethoprim is an antibacterial medication primarily used to treat urinary tract infections. It works by inhibiting bacterial folic acid synthesis, producing a bacteriostatic effect.
Trimethylamine N Oxide (TMAO) is a metabolite produced in the gut from dietary nutrients and has been linked to an increased risk of cardiovascular disease.
Trimethylglycine (TMG), also known as betaine, is a naturally occurring compound found in foods like beets and spinach that plays a key role in the body as a methyl group donor.
Trimipramine is a tricyclic antidepressant used to treat depression, anxiety disorders, and sleep disturbances. It has mood-lifting and sedative properties.
Triptorelin is a synthetic GnRH analogue used to treat hormone-dependent conditions such as prostate cancer, endometriosis, and precocious puberty by suppressing sex hormone production.
Trisomie 21, auch bekannt als Down-Syndrom, ist eine genetische Besonderheit, bei der ein Mensch dreimal statt zweimal das Chromosom 21 besitzt. Sie ist die häufigste chromosomale Veränderung beim Menschen und geht mit charakteristischen körperlichen Merkmalen sowie einer geistigen Entwicklungsverzögerung einher.
Trisomy 18 is a serious chromosomal disorder in which chromosome 18 is present three times instead of two, causing severe developmental abnormalities and often life-threatening complications.
The trochlea tali is the articular surface of the talus bone and forms the central component of the upper ankle joint, enabling dorsiflexion and plantarflexion of the foot.
Trochlear dysplasia is a congenital malformation of the trochlear groove of the femur, leading to patellar instability, knee pain, and an increased risk of kneecap dislocation.
Troponin is a protein complex found in heart muscle and a key biomarker for diagnosing heart attacks. Elevated blood levels indicate damage to the heart muscle.
The trying-to-conceive phase is the period in which individuals or couples actively work toward achieving a pregnancy. Medical guidance can significantly improve the chances of conception.
Trypanophobia is an intense fear of needles, injections, or blood draws. It is classified as a specific phobia and can significantly interfere with necessary medical care.
Trypophobie bezeichnet eine intensive Abneigung oder Angst vor Mustern mit dicht gedrängten kleinen Löchern, Grübchen oder Unebenheiten. Obwohl sie im Volksmund häufig als „Angst vor Löchern" bezeichnet wird, handelt es sich weniger um eine klassische Phobie als um eine ausgeprägte Ekelreaktion mit Angstanteilen.
Tryptoform is a dietary supplement based on L-tryptophan that supports the production of serotonin and melatonin, commonly used for sleep disorders and mood imbalances.
Tryptophan absorption refers to the uptake of the essential amino acid tryptophan from the small intestine into the bloodstream. It is crucial for the production of serotonin and melatonin.
Tryptophan depletion refers to a significant reduction in the availability of the essential amino acid tryptophan, which can strongly affect serotonin production in the brain.
Tryptophan hydroxylase is an enzyme that catalyzes the first step in serotonin biosynthesis, converting the amino acid tryptophan into 5-hydroxytryptophan. It plays a central role in regulating mood, sleep, and gut function.
Tryptophan kinase is an enzyme involved in the metabolism of the amino acid tryptophan, playing a key role in immune regulation and serotonin biosynthesis.
Tryptophan metabolism describes the breakdown and conversion of the essential amino acid tryptophan in the body, playing a key role in serotonin, melatonin, and immune system regulation.
Tryptophan metabolism markers are biochemical parameters that reflect the breakdown of the essential amino acid tryptophan, providing insights into immune activity, mental health, and metabolic disorders.
Tryptophan metabolites are biochemical breakdown products of the essential amino acid tryptophan. They play key roles in brain function, immune regulation, and gut health.
Tryptophan receptor markers are biological parameters that indicate the activity and density of receptors responding to tryptophan and its metabolites in the body.
Tryptophan supplementation refers to the targeted intake of the essential amino acid tryptophan via dietary supplements to correct deficiencies and support bodily processes such as serotonin synthesis.
The Tsimane are an indigenous people of Bolivia renowned in medical research for their exceptional heart health and remarkably low rates of cardiovascular disease.
tTF-NGR is a fusion protein for targeted tumour therapy via vascular occlusion. Find out everything about the mechanism of action, application in cancer and current studies such as TRABTRAP.
Tube feeding is a medically formulated liquid nutrition delivered directly into the gastrointestinal tract via a feeding tube when normal oral food intake is not possible or sufficient.
Tuberculosis is a bacterial infectious disease that primarily affects the lungs, but can also affect other organs such as the kidneys, bones or lymph nodes.
Tuberous sclerosis is a rare genetic disorder that causes benign tumours to grow in multiple organs. It primarily affects the brain, skin, kidneys, and lungs.
Tubocurarine is a plant-derived alkaloid from curare and one of the first neuromuscular blocking agents used in clinical anaesthesia. It causes skeletal muscle relaxation by blocking acetylcholine receptors.
Tubulointerstitial fibrosis is a scarring process in kidney tissue that progressively impairs renal function and can lead to kidney failure if left untreated.
A tumor board is an interdisciplinary medical conference in which specialists from multiple fields collaborate to determine the best treatment plan for cancer patients.
Tumor grading classifies cancer cells based on how abnormal they appear under the microscope. It helps doctors assess tumor aggressiveness and plan the most appropriate treatment.
Tumor immunology studies how the immune system detects and fights cancer cells. It forms the scientific foundation for modern cancer immunotherapy approaches.
Tumor lysis syndrome is a life-threatening metabolic complication of cancer treatment, caused by the rapid release of intracellular contents from dying tumor cells.
Tumor progression describes the process by which cancer cells become increasingly aggressive, grow, and spread throughout the body. It is a key concept in oncology.
Tumor-infiltrating lymphocytes (TILs) are immune cells that migrate into tumor tissue and play a key role in the body's natural defense against cancer.
Tumour antigens are molecules on cancer cells that the immune system can recognise as foreign or abnormal. They are key to cancer diagnosis and modern immunotherapy approaches.
A tumour vaccine is a cancer immunotherapy that trains the immune system to recognize and attack cancer cells. It represents a promising approach in modern oncology.
The tunica adventitia is the outermost layer of the wall of blood vessels and lymphatic vessels. It consists of connective tissue and anchors the vessel within the surrounding tissue.
The tunica intima is the innermost layer of blood vessel walls. It lines arteries and veins and plays a central role in vascular health and cardiovascular function.
The tunica media is the middle layer of the blood vessel wall. It consists of smooth muscle cells and elastic fibers that regulate vascular tone and blood pressure.
Turmeric is a yellow spice that is extracted from the root of the plant Curcuma longa . It belongs to the ginger family and is used both in the kitchen and in naturopathy.
The combination of turmeric and black pepper increases the bioavailability of curcumin. Find out how it works, what it is suitable for and what you should bear in mind when taking it.
Turner syndrome is a genetic condition in females caused by a missing or incomplete X chromosome. It can lead to short stature, heart defects, and infertility.
TURP (Transurethral Resection of the Prostate) is a minimally invasive surgical procedure used to treat benign prostatic hyperplasia. Excess prostate tissue is removed through the urethra to improve urinary flow.
Turricephaly is a rare skull malformation in which the head grows unusually tall and tower-shaped due to the premature fusion of multiple cranial sutures.
Twins are two children who develop simultaneously during a single pregnancy. They are classified as identical (monozygotic) or fraternal (dizygotic) twins.
The term two-tier medicine describes the perceived or actual unequal medical care between different population groups - mostly between privately and publicly insured people.
The TyG Index is a simple blood marker used to estimate insulin resistance. It is calculated from fasting triglycerides and fasting blood glucose levels.
Tympanostomy tubes are small tubes inserted into the eardrum to ventilate the middle ear, commonly used to treat recurrent ear infections and fluid buildup.
Type 2 diabetes is a chronic metabolic disease in which the body can no longer use insulin effectively, leading to persistently elevated blood sugar levels.
A Type I allergy is an immediate immune reaction triggered by harmless substances such as pollen or foods. It is mediated by IgE antibodies and can cause symptoms within minutes.
Tyrosine is a conditionally essential amino acid that the body produces from phenylalanine and serves as a precursor for key neurotransmitters such as dopamine and adrenaline.
Tyrosine kinase inhibitors are targeted cancer drugs that block enzymes controlling cell growth. They are widely used in modern oncology to treat various cancers.
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.