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, venous
An aneurysm involving a vein. As opposed to an arterial aneurysm or a cardiac aneurysm. 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…
Read the definitionRandom terms
Show more- Mycobacterium marinum Mycobacterium marinum: A bacterium found in both fresh and salt water that can cause disease in fish and…
- Freckles Freckles: See: Freckle.
- Bleb A bladder-like structure more than 5 mm in diameter with thin walls that may be full of fluid. Also called a…
- Adverse event In pharmacology, any unexpected or dangerous reaction to a drug
- Breast cancer susceptibility genes Inherited factors that predispose to breast cancer. Put otherwise, these genes make one more susceptible to…
- Sinus rhythm The normal regular rhythm of the heart set by the natural pacemaker of the heart called the sinoatrial (or…
- Mastectomy, prophylactic Removal of one or both breasts without the current presence of cancer. This surgery is sometimes chosen as a…
- Mucopolysaccharidosis type II Hunter syndrome, due to deficiency of the enzyme iduronate sulfatase. See also: Mucopolysaccharidosis
- EDC Estimated date of confinement, the estimated calendar date when the baby will be born
- Pappoose root See: Blue cohosh
- Roapies Street term for Rohypnol
- Intraperitoneal Within the peritoneal cavity, the area that contains the abdominal organs