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).
Randomized controlled trial
(RCT) A study in which people are allocated at random (by chance alone) to receive one of several clinical interventions. One of these interventions is the standard of comparison or control. The control may be a standard practice, a…
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Show more- Gtt. Abbreviation meaning drops (from the Latin 'guttae', drops). One of a number of hallowed abbreviations of…
- Pectus carinatum Pigeon-breasted. In Latin 'pectus' means 'chest' and 'carina' keel = a chest shaped like the keel of a boat…
- Vagina The muscular canal extending from the cervix to the outside of the body. It is usually six to seven inches in…
- Schizotypal personality disorder A type of personality characterized by unusual patterns of speech and behavior and by social withdrawal. See…
- Neurinoma, acoustic A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…
- Mucopolysaccharidosis One of a series of inherited metabolic disorders affecting a type of complex carbohydrate called a…
- Childbirth fever Fever due to an infection usually of the placental site within the uterus. The fever is also called childbed…
- P in population genetics The frequency of the more common of two different alternative (allelic) versions of a gene. (The frequency of…
- Dumdum fever Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs)…
- Sibling A brother or sister
- Hemangioma, cavernous A type of hemangioma composed of blood-filled 'lakes' and channels. It is typically raised and red or…
- Nummular eczema Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…