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).
Adult acne
Popular name for rosacea. For more information, see: Rosacea
Read the definitionRandom terms
Show more- Met Methionine. See also: Amino acid symbols
- HEOD The abbreviation for the scientific name of the insecticide dieldrin. (The scientific name for dieldrin…
- TAR syndrome TAR stands for Thrombocytopenia (low blood platelets) and Aplasia (absence) of the Radius (the long bone on…
- Rate, basal metabolic A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated…
- Uroporphyrinogen decarboxylase See: UROD
- Speculum An instrument used to widen an opening to look within a passage or a cavity. For example, a speculum may be…
- Venous aneurysm A local widening and bulging (an aneurysm) of a vein. As opposed to an arterial aneurysm or a cardiac…
- Ascending aorta The ascending aorta is the first section of the aorta, the largest artery in the body. The ascending aorta…
- National Cancer Institute (NCI) One of the National Institutes of Health (NIH) in the U.S., whose mission is to 'lead a national effort to…
- Suppurative arthritis The part of the larynx above the glottis (where the vocal cords are located). The supraglottic larynx…
- Medulla, adrenal The inner portion of adrenal gland. (The outer portion is the adrenal cortex). The adrenal medulla makes…
- Physiologic amenorrhea The cessation of menstruation that it is completely normal and is not caused by anything pathologic. The lack…