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, brain
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 is weakened and may rupture. The word 'aneurysm' comes from the Greek 'aneurysma'…
Read the definitionRandom terms
Show more- Char syndrome A genetic disorder characterized by patent ductus arteriosis and unusual facial features including a long…
- Cannabinoid A chemical compound in cannabis. or marijuana. Tetrahydrocannabinol is one of the cannabinoids
- Antimalarial A drug directed against malaria. The original antimalarial agent was quinine which took its name from the…
- Wolff-Parkinson-White syndrome Wolff-Parkinson-White syndrome: A condition caused by an abnormality in the electrical system of the heart…
- Level 4 biosafety >Level 1 -- This level applies to agents that do not ordinarily cause human disease. >Level 2 -- This level…
- Poisoning, carbon monoxide See: Carbon monoxide poisoning
- Tobacco A South American herb, formally known as Nicotiana tabacum, whose leaves contain 2-8% nicotine and serve as…
- Lacrimation One of the main types of encephalitis caused by an arbovirus in the US. An arbovirus is a virus that is…
- Motherese The language spoken, all over the world, by mothers to their babies, before and after birth. Motherese is the…
- Osteo- (prefix) Combining form meaning bone. From the Greek 'osteon', bone. Appears for instance in osteoarthritis…
- Pharmacogenetics The merger of pharmacology and genetics into a field that pertains to the hereditary responses to drugs. For…
- Surgicenter A facility for minor surgery done on an outpatient basis; a facility designed to serve patients who need…