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).
Argentaffinoma
A tumor which secretes large amounts of the hormone serotonin. Argentaffinoma is also called carcinoid tumor. The tumor usually arises in the gastrointestinal tract, anywhere between the stomach and the rectum (the favorite spot is in the…
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Show more- Atherosclerotic aneurysm The most common type of aneurysm, affecting the abdominal portion of the aorta and other large arteries…
- Pharynx The hollow tube about 5 inches long that starts behind the nose and ends at the top of the trachea (windpipe)…
- Angle-closure glaucoma, acute Increased pressure in the front chamber (anterior chamber) of the eye due to sudden (acute) blockage of the…
- Drinox Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Mead See: Mead, Margaret
- Sydenham's chorea See: Sydenham chorea
- Popliteal pterygium syndrome An inherited condition with a web behind the knee. (A pterygium is a winglike triangular membrane). The…
- Hypospadias A birth defect of the penis involving the urethra (the transport tube leading from the bladder to discharge…
- Saphenous vein, great The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Rodbell See: Rodbell, Martin
- Prepubertal Before puberty, the period during which secondary sex characteristics start to develop and the capability for…
- Tube, tympanostomy A small plastic tube inserted into the eardrum to keep the middle ear aerated for a prolonged period of time…