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).
Cafe au lait spot
A flat spot on the skin that is the color of coffee with milk (café au lait) in persons with light skin, or a darker appearance (café noir) than the surrounding skin in persons with dark skin. About 10% of the general population have cafe…
Read the definitionRandom terms
Show more- Gait, steppage See Steppage gait
- Arteriohepatic dysplasia Also known as Alagille syndrome, this ia a genetic disorder characterized by jaundice in the newborn period…
- Viral myocarditis See: Myocarditis, viral
- Conditioning, Pavlovian Named after the Russian physiologist Ivan Petrovich Pavlov (1848-1936) who conditioned dogs to respond in…
- Immunization, polio One of the two polio vaccines that are available: oral polio vaccine (OPV) and inactivated polio vaccine…
- Missense mutation Mutation: A genetic change involving the substitution of one base in the DNA for another which results in the…
- Ataxia Wobbliness. Incoordination and unsteadiness due to the brain's failure to regulate the body's posture and…
- Warburg's yellow enzyme A key respiratory enzyme discovered by the German biochemist Otto Heinrich Warburg (1883-1970), a pioneer in…
- Hematophobia An abnormal and persistent fear of blood is called hematophobia. Sufferers of this very common phobia dread…
- Alien hand syndrome Syndrome: The feeling that one's hand is possessed by a force outside of ones control. The syndrome typically…
- Hospitalist A hospital-based general physician. Hospitalists assume the care of hospitalized patients in the place of…
- PROC Protein C