MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Vein of Galen aneurysm
A congenital malformation of blood vessels of the brain. Specifically, an arteriovenous (AV) malformation in which blood shunts from cerebral arteries into a dilated vein of Galen (an internal cerebral vein). In newborns this shunt can…
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Show more- Pleonasm An excess in the number of parts or in the size of a growth. Pleonasm comes from a Greek word (pleonasmos)…
- BF Abbreviation for 'black female' used by doctors as shorthand when jotting down the results of their physical…
- Pseudoobstruction, neuropathic Intestinal pseudoobstruction caused by damage to nerve cells in the walls of the bowel
- Unsteadiness Loss of one's equilibrium in regard to the environment, often with a feeling of almost falling, or the result…
- Venomous 1. Full of venom. 2. Having venom, like some snakes and insects. 3. By extension, noxious, as a venomous…
- Left heart The heart is composed functionally of two hearts - the right heart and the left heart. The left heart…
- Bronchopulmonary Pertaining to both the air passages (bronchi) leading to the lungs and the lungs (pulmonary) themselves
- National board exams The National board exams in medicine refer to the United States Medical Licensing Examination (USMLE). This…
- Chancre The classic painless ulcer of syphilis. The chancre forms in the first (primary) stage of syphilis. It is…
- SLE (systemic lupus erythematosus) A chronic inflammatory condition caused by an autoimmune disease. An autoimmune disease occurs when the…
- Diabetic skin disease A skin disorder that is caused by diabetes or affected by diabetes. Skin disorders are common in diabetes…
- Aflatoxin A toxin produced by mold that can damage the liver and may lead to liver cancer. Aflatoxins cause cancer in…