MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Acute illness
A disease with an abrupt onset and usually a short course
Read the definitionRandom terms
Show more- Melanoma, uveal See: Intraocular melanoma
- Hangover A common nonmedical term for the disagreeable physical effects following excessive consumption of alcohol (or…
- Bellini duct carcinoma (BDC) A rare type of kidney cancer that begins in the duct of Bellini (a continuation of the collecting…
- Transforming principle Name originally given to DNA. In 1944 Avery, MacLeod, and McCarty published their discovery that the…
- Chordae tendineae Thread-like bands of fibrous tissue which attach on one end to the edges of the tricuspid and mitral valves…
- Ectoparasitosis Infestation with an ectoparasite, a parasite that lives on or in the skin. The four major ectoparasitoses are…
- Oxyuris A group of intestinal worms that includes pinworm.
- Birth defects, study of Birth defects, study of: The study of birth defects is now usually called dysmorphology. Dysmorphology is a…
- Mitral insufficiency Incomplete closure of the mitral valve resulting in the backflow of blood from the left ventricle to the left…
- Meningomyelocele Protrusion of the membranes that cover the spine but some of the spinal cord itself through a defect in the…
- Colitis, universal Ulcerative colitis that involves the entire colon (the large intestine). Ulcerative colitis itself is a…
- Agenesis, sacral Failure of formation of all or part of the sacrum (the lowest section of the spine). Currarino syndrome is a…