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).
Petit mal
A form of epilepsy with very brief, unannounced lapses in consciousness. A petit mal seizure involves a brief loss of awareness, which can be accompanied by blinking or mouth twitching. Petit mal seizures have a very characteristic…
Read the definitionRandom terms
Show more- Factitious disorder by proxy See: Munchhausen syndrome by proxy
- Radiograph A film with an image of body tissues that was produced when the body was placed adjacent to the film while…
- Nasal-spray flu vaccine See: Nasal flu vaccine
- WBS Wiedemann-Beckwith syndrome. See: Beckwith-Wiedemann syndrome
- Pulse, cannonball See: Pulse, water hammer
- Granary weevil A true weevil that is among the most destructive of all insects in stored grain and that is the culprit…
- PSA See: Primary sclerosing cholangitis.
- Fluoride A compound of fluorine with another element or radical. Fluoride compounds are present in drinking water and…
- Neonatal jaundice Jaundice: Yellowish staining of the skin and whites of the newborn's eyes (sclerae) by pigment of bile…
- Regurgitation, aortic See: Aortic regurgitation
- Pediculosis Infested with lice. See also: Head lice; Pubic lice
- Atrium One of the two smaller chambers of the heart. Each atrium consists of an open space with recessed walls. The…