MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Streptococcus, group A
A well-known strain (type) of streptococcus (strep) bacteria that can cause strep throat and common skin problems such as impetigo as well as rheumatic fever. Autoimmune reactions to strep have also recently been associated with a number…
Read the definitionRandom terms
Show more- Membranous Pertaining to a membrane. As in acute membranous gingivitis, membranous nephropathy, and pseudomembranous…
- Stargardt disease An hereditary eye disease that is one of the most frequent causes of macular degeneration in childhood. (The…
- Aneurysm A localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is…
- Saturated fat A fat that is solid at room temperature and comes chiefly from animal food products. Some examples are…
- Hypoxic-ischemic encephalopathy Damage to cells in the central nervous system (the brain and spinal cord) from inadequate oxygen…
- Venereal wart A wart that is confined primarily to the moist skin of the genitals. These warts are due to viruses belonging…
- Supination Rotation of the forearm and hand so that the palm is up (and the corresponding movement of the foot and leg…
- Therapy, constraint-induced movement A form of intensive physical therapy aimed at reorganizing and reprogramming the brain after a stroke, a…
- Nose picking Rhinotillexomania, one of the more obscure and exotic terms in medicine. 'Rhinotillexomania' has drawn…
- CM (coccidioidomycosis) A disease due to a fungus called Coccidioides immitis. About 40% of people infected with this fungus develop…
- Chagas disease An infection caused by the parasite Trypanosoma cruzi. Also called American trypanosomiasis. Transmitted by…
- Sleep start See: Hypnic jerk