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).
Gene
The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a function. An official definition: According to the official Guidelines for Human Gene Nomenclature, a gene is defined as 'a DNA…
Read the definitionRandom terms
Show more- West Nile virus West Nile virus: The mosquito-borne virus that causes West Nile fever. One of the flaviviruses, a family of…
- Fear of cold An abnormal and persistent fear of cold, including cold weather and cold objects. Sufferers of this fear…
- Mental child injury Also known as emotional child abuse, this is the third most frequently reported form of child abuse (after…
- Pollenosis See: Pollinosis
- Janus kinase 3 See: JAK3
- Menopause transition Menopause transition: A woman can usually tell if she is approaching menopause because her menstrual periods…
- Desiccate To remove the moisture from a thing that normally contains moisture, such as a plant; to dry out completely…
- Aperient Laxative. Used both as a noun (an aperient is a laxative) and adjective (prunes are an aperient fruit). From…
- Syndrome, tooth and nail A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Inbreeding The mating of two closely related persons. Also called consanguinity.
- Liquor cerebrospinalis See: Cerebrospinal fluid
- Acanthamoeba keratitis Infection of the cornea by acanthamoeba, a microscopic water-borne ameba. The disease tends to occur in…