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).
Mitral valve prolapse
Mitral valve prolapse: Drooping down or abnormal bulging of the mitral valve's cusps backward into the atrium during the contraction of the heart. Mitral valve prolapse is often an asymptomatic condition but it may be marked by mitral…
Read the definitionRandom terms
Show more- Pes Latin word meaning foot.
- Telomere The end of a chromosome, a specialized structure involved in the replication and stability of the chromosome…
- Index, body mass (BMI) An index that relates body weight to height. The body mass index (BMI) is obtained by dividing a person's…
- Phalanx Anatomically, any one of the bones in the fingers or toes. (Plural: phalanges.) There are 3 phalanges (the…
- Ileocolitis, Crohn Crohn disease involving both the ileum (the furthest part of the small intestine just before the colon) and…
- Cyclopia A congenital abnormality (birth defect) in which there is only one eye. That eye is centrally placed in the…
- Vitamin C An essential nutrient found mainly in fruits and vegetables. The body requires vitamin C to form and maintain…
- Erb's palsy See: Erb palsy
- Carbolic acid A synonym of phenol. In dilute solution, an antimicrobial agent. First used to clean wounds and dress them by…
- Cytogenetic map A genetic term referring to the visual appearance of a chromosome when stained and examined under a…
- Kleine-Levin syndrome A rare condition characterized by excessive need for sleep, food, and sexual disinhibition. Most people with…
- Withdrawal, penis A method of contraception, also called coitus interruptus, in which the man withdraws his penis from the…