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).
Systolic click-murmur syndrome
See: Mitral valve prolapse
Read the definitionRandom terms
Show more- Polle syndrome The Munchhausen syndrome by proxy. Polle was the fictional Baron Munchausen's only child and died at a year…
- Eyelid myokymia Fine continuous contractions of the eyelid muscle, typically involving one of the lower eyelids, less often…
- Syndrome, hypoplastic left heart A form of congenital heart disease in which the whole left half of the heart (including the aorta , aortic…
- Levo- Abbreviated LAAM. An alternative to methadone. See: LAAM.
- MELD Acronym for Model End Stage Liver Disease. A disease severity scoring system for adults with liver disease…
- Invert 1) To turn inward. To invert the foot is to move its forepart toward the midline of the body. 2) To turn…
- Antimicrobial resistance The result of microbes changing in ways that reduce or eliminate the effectiveness of drugs, chemicals, or…
- Encephalitis, St. Louis A disease caused by a virus (first observed in Illinois in 1932) transmitted from birds to the common Culex…
- Mucolipidosis III A type of mucolipidosis characterized by deficiency of the enzyme N-acetylglucosamine-1-phosphotransferase…
- Syndrome, deafness-ichthyosis-keratitis See Keratitis-ichthyosis-deafness syndrome
- Hormone, estrogenic A female hormone produced by the ovaries (or an equivalent hormone synthesized in the laboratory). Estrogen…
- Orthologous gene 1. A term coined by the chemist Linus Pauling who defined it as "the preservation of good health and the…