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).
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Read the definitionRandom terms
Show more- Meniscus, medial knee The word 'meniscus' refers to a crescent-shaped structure. The medial meniscus of the knee is a thickened…
- Ragged red fibers with CPEO See: Kearns-Sayre syndrome
- Capsid The protein coat of a virus. The term capsid came in 1960 from the French capside, from the Latin capsa…
- Slanted ear An ear that is slanted more than usual. Technically, an ear is slanted when the angle of the slope of the…
- Sex-determining region, Y See: Y sex-determining region
- Inflammation A basic way in which the body reacts to infection, irritation or other injury, the key feature being redness…
- Viral hemorrhagic fever Viral hepatitis is liver inflammation caused by viruses. Specific hepatitis viruses have been labeled A, B…
- Trisomy 21 syndrome A common chromosome disorder, often called Down syndrome, due to an extra chromosome number 21 (trisomy 21)…
- Alimentary canal The digestive tract. See: Gastrointestinal tract
- Cancer, oat cell See: Oat cell cancer
- Usher syndrome Usher syndrome: A genetic disorder characterized by hearing impairment and an eye disorder called retinitis…
- Snellen's chart The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…