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).
Canker sore
Canker sore: A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also known as an aphthous ulcer. Canker sores are one of the most common problems that occur in the mouth. About 20% of the population…
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Show more- Glioblastoma multiforme A type of tumor that forms from glial (supportive) tissue in the brain. It is highly malignant, grows very…
- MedicAlert A nonprofit emergency medical information service, known for its MedicAlert jewelry, particularly the…
- Common migraine Migraine without aura. The most frequent type, accounting for about 80-85% of migraine. See: Migraine
- Base pair Two DNA bases complementary to one another (A and T or G and C) that join the complementary strands of DNA to…
- Coccus A bacterial cell which has the shape of a sphere. Coccus enters into the name of a number of bacteria. For…
- Cross-section In anatomy, a cross-section is a transverse cut through a structure or tissue. The opposite of a…
- Stage of expulsion See: Second stage of labor
- Carbolic acid A synonym of phenol. In dilute solution, an antimicrobial agent. First used to clean wounds and dress them by…
- Culdocentesis The puncture and aspiration (withdrawal) of fluid from the cul-de-sac, the rectouterine pouch (the pouch of…
- Jackson See: Hughlings Jackson, John
- Prior approval See: Prior authorization
- Mast syndrome An autosomal recessive form of hereditary spastic paraplegia with dementia first described in the Old Order…