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).
Leptin
A hormone that has a central role in fat metabolism. Leptin was originally thought to be a signal to lose weight but it may, instead, be a signal to the brain that there is fat on the body. Hugely obese children have been found who have an…
Read the definitionRandom terms
Show more- Pediculosis Infested with lice. See also: Head lice; Pubic lice
- Eisoptrophobia An abnormal and persistent fear of mirrors. Sufferers experience undue anxiety even though they realize their…
- Curcumin A mixture of compounds derived from the curry spice turmeric. Curcumin is sold in the US as a herbal…
- Ammonia A colorless gas with a very sharp odor. Made both by humans and by nature, ammonia dissolves easily in water…
- Masticate To chew, grind, or pulverize food (or something else) until it turns to pulp. From the Latin masticare, from…
- Aer-, aero- Prefix indicating a problem due to air or gas, such as aerogastria (excess stomach gas.
- Subdural Below the dura, the outermost, toughest, and most fibrous of the three membranes (meninges) covering the…
- Anogenital tract Angiogenital tract is a term used to refer to both the anus and genital tract. The genital tract encompasses…
- Brain edema See: Cerebral edema
- Astatic seizure See: Atonic seizure
- Vaccine, meningococcal A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and…
- Fetal infant An extremely low birth weight infant. A very, small infant. One, for example, with a birth weight of 400 to…