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).
Aneurysm, cardiac
Outpouching of an abnormally thin portion of the heart wall. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may…
Read the definitionRandom terms
Show more- Poisoning, alcohol A condition in which a toxic amount of alcohol (ethanol, ethyl alcohol) has been drunk, usually in a short…
- Headache, vascular A group of headaches felt to involve abnormal sensitivity of the blood vessels (arteries) in the brain to…
- Operation, Blalock-Taussig A pioneering heart operation named after the American surgeon Alfred Blalock (1899-1964) and the pediatric…
- Relaxin A hormone produced during pregnancy that facilitates the birth process by causing a softening and lengthening…
- Warshaw See: Warshaw, Joseph
- Gap junction beta 2 See: GJB2
- Nosocomial Originating or taking place in a hospital, acquired in a hospital, especially in reference to an infection…
- Resolution In genetics, resolution refers to the degree of molecular detail on a physical map of DNA, ranging from low…
- Eight-day measles Measles: An acute highly contagious viral disease with fever, runny nose, cough, red eyes, and a spreading…
- CT Abbreviation for: 1. Cognitive therapy; and, more often today 2. Computerized tomography, as in CT scan. CT…
- Hypernatremia Elevated blood sodium. Sodium is the major positive ion (cation) in fluid outside of cells. The chemical…
- Caulophyllum thalictroides Blue cohosh