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).
Prone
The first sulfa drug to be discovered. Largely of historic interest today. The discovery was made by the great German physician and chemist Gerhard Domagk (1895-1964). In 1925 Domagk was named Lecturer in Pathologic Anatomy (pathology) in…
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- Sac, pericardial See: Pericardial sac
- UNESCO Acronym for the United Nations Educational, Scientific, and Cultural Organization
- Molecular phylogenetics The determination of the rates and patterns of change occurring in DNA and proteins in order to reconstruct…
- Labia, vaginal The two pairs of labia (lips) at the entrance to the vagina. Together they form part of the vulva, the female…
- Tube, nasogastric See: Nasogastric tube
- Fundus, retinal The interior lining of the eyeball, including the retina (the light-sensitive screen), optic disc (the head…
- Blepharospasm Involuntary forcible closure of the eyelids. The first symptom may be uncontrollable blinking. Only one eye…
- Pilonidal cyst A special kind of abscess that occurs in the cleft between the buttocks. Forms frequently in adolescence…
- Sidney Goldring See: Goldring, Sidney
- Nerve, fifth cranial The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as…
- Infarction The formation of an infarct, an area of tissue death due to a local lack of oxygen. For example, in a…