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).
Bacillus anthracis
The bacterium that causes anthrax. Anthrax differs from most bacteria in that they exist in an inactive (dormant) state called spores. The spores are found in soil, animal carcasses and feces (including sheep, goats, cattle, bison, horses…
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Show more- Lycanthropy The delusion that one has become a wolf or the werewolf transformation. Werewolf myths were associated with…
- Varicosity 1. An enlarged and tortuous vein, artery, or lymphatic vessel. 2. Specifically, a varicose vein
- CVS 1. Chorionic villus sampling, a procedure for first-trimester prenatal diagnosis. 2. Cyclic vomiting…
- RNA silencing See: RNA inactivation; and RNA interference
- Race An ethnic stock or division of humans. Naturalists and ethnographers have long divided humans into a variable…
- Overweight The term 'overweight' is used in two different ways. In one sense it is a way of saying imprecisely that…
- Influenza, avian Influenza, avian: Also called fowl plague, avian flu, and bird flu. A highly contagious viral disease with up…
- Caspase-3 See: Caspase 3
- Cancer, non-small cell lung Cancer of the lung which is not of the small cell carcinoma (oat cell carcinoma) type. The term 'non-small…
- Nasal septum perforation A hole in the nasal septum, the wall inside the nose that runs down the middle dividing it into two sides…
- Ptosis of the eyelids, congenital Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- WHO (World Health Organization) A type of chromosome rearrangement, also called a Robertsonian translocation, in which there is fusion of an…