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).
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Read the definitionRandom terms
Show more- Exhaustion, heat A warning that the body is getting too hot. The person may be thirsty, giddy, weak, uncoordinated, nauseous…
- Bowel disease, inflammatory A group of chronic intestinal diseases characterized by inflammation of the bowel -- the large or small…
- Medicins Sans Frontieres A group which sends physicians and other health workers to some of the most destitute and dangerous parts of…
- Vaccination, yellow fever A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- NG Nasogastric
- Proteasome A protein degradation 'machine' within the cell that can digest a variety of proteins into short polypeptides…
- Megalencephaly Also called macrencephaly, a condition in which there is an abnormally large, heavy, and usually…
- Pseudoexfoliation syndrome An eye condition that often leads to glaucoma. Called the pseudoexfoliation syndrome because deposits on the…
- Immunocow A cow that has been genetically engineered to produce human antibodies. An immunocow, when challenged with an…
- Motulsky dye test A test for glucose 6-phosphate dehydrogenase deficiency (G6PD), a cause of anemia and the most common enzyme…
- Whiplash injury Hyperextension (over-extension) injury to the neck, often the result of being struck from behind, as by a…
- Drusen Tiny yellow or white deposits in the retina of the eye or on the optic nerve head. The presence of drusen is…