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).
Sex before sports
Sexual intercourse before an athletic event. A commonly held belief in sports is that athletes should not have intercourse before performing, lest it weaken them. This belief was not always held. In 77 AD, Pliny the Elder wrote to the…
Read the definitionRandom terms
Show more- Phthisis A good trivia or crossword item. An over-consonanted Greek word meaning 'a dwindling or wasting away.'…
- L- Abbreviation for levorotatory, applied to a chemical compound, as in l-dopa. Levorotary is opposed to…
- Conjoined twins See: Conjoined twin
- Fear of sharks Excessive and persistent fear of sharks is termed galeophobia. Sufferers from this phobia experience anxiety…
- Nasal mucus A slippery fluid produced by the membranes lining the nose. Excessive nasal mucus is the basis of a runny…
- Adenine (A) One member of the A-T (adenine-thymine) base pair in DNA. The other base pair in DNA is G-C…
- Granuloma annulare The definition of granuloma annulare in one of the standard print medical dictionaries begins: 'a benign…
- Soper, Fred L. (1893-1977) American physician, epidemiologist and public health administrator. Soper won a Lasker Award in…
- Pharmacogenomics The study of how variations in the human genome affect the response to medications. The older term…
- Transmyocardial laser revascularization A procedure by which a physician uses a laser to make holes in the heart to relieve the pain of severe…
- Neurosyphilis Neurological complications in the third (tertiary) and final phase of syphilis, which involve the central…
- ADAMTS2 A gene that encodes a metalloproteinase enzyme. This enzyme is responsible for processing type I, type II…