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).
Atherosclerotic aneurysm
The most common type of aneurysm, affecting the abdominal portion of the aorta and other large arteries, particularly with age.
Read the definitionRandom terms
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- Eye melanoma See: Intraocular melanoma
- Ad lib Abbreviation for the Latin 'ad libitum' meaning 'at pleasure' and 'at one's pleasure, as much as one desires…
- Anatomical snuffbox A hollow seen on the radial aspect (the thumbside) of the dorsum (the back) of the wrist when the thumb is…
- Vestibular neuronitis Inflammation of the vestibular nerve, the nerve running to the vestibule. (The vestibule is in the inner ear…
- Syndrome, dumping A group of symptoms that occur when food or liquid enters the small intestine too rapidly. These symptoms…
- Intradermal In or into the skin. An intradermal injection is given into the skin. Intradermal tests are a type of skin…
- Chromosomes in multiple miscarriages Couples who have had more than one miscarriage (spontaneous abortion) have about a 5% chance that one member…
- Drinox Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Numbness (Numb) Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…
- Bioinformatics The sum of the computational approaches to analyze, manage, and store biological data. Bioinformatics…
- Niacin Niacin: Nicotinic acid, one of the B-complex B vitamins. Deficiency of niacin in the diet results in the…