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).
International unit (IU)
An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used for the fat-soluble vitamins (such as vitamins A, D and E) and certain hormones, enzymes, and biologicals (such as vaccines). The…
Read the definitionRandom terms
Show more- Fever, quintan Fever, quintan: Quintan means recurring every 5 days, the characteristic duration of trench fever. Quintan or…
- Midwife, certified See: Certified midwife
- Aldrex Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Nose picking Rhinotillexomania, one of the more obscure and exotic terms in medicine. 'Rhinotillexomania' has drawn…
- Cranial nerve VIII The eighth cranial nerve is the vestibulocochlear nerve. The vestibulocochlear nerve is responsible for the…
- Benzidine A compound used mainly for dyeing textiles and paper that is a known human carcinogen (cancer-causing agent)…
- Herbal remedy A medication prepared from plants, including most of the world's traditional remedies for disease. Most…
- Emergency supplies kit An infectious disease that has newly appeared in a population or that has been known for some time but is…
- Gonarthritis Inflammation of the knee joint
- Fascinoma Medical slang for a fascinating case, usually involving a rare disease
- AOA Abbreviation for Alpha Omega Alpha, the medical honor society, the medical school equivalent of Phi Beta…
- Mixed mania A state of mind characterized by symptoms of both mania and depression seen sometimes in bipolar disorders…