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).
Whooping cough
Also known as pertussis, this is a feared infectious disease that can strike the respiratory system and affect other organs of the body. It has three stages-an initial stage with watery runny nose and eyes, a progressive cough stage with…
Read the definitionRandom terms
Show more- Foramen of Magendie An opening from the fourth ventricle, which is one in a system of four communicating cavities called…
- Therapy, family See: Family therapy
- Hypokalemia Low blood potassium. Potassium is the major positive ion (cation) found inside of cells. The chemical…
- Nail grooves See: Beau's lines
- NAME syndrome Acronym for Nevi, Atrial myxoma, Myxoid neurofibroma, and Ephelides. Now included in the Carney complex. See…
- Retrosternal Behind the sternum (the breastbone)
- Hyperopia Farsightedness; the ability to see distant objects more clearly than close objects. Hyperopia may be…
- Borrelia burgdorferi The spirochete (a type of bacteria) that causes Lyme disease. Named after its discoverer, Dr. Willy…
- Catatonic 1. Characterized by marked motor abnormalities including immobility (catalepsy or stupor), excessive motor…
- Duane and radial ray anomaly with deafness See: Okihiro syndrome
- Hematoma, subcutaneous A bruise
- Octalene Trade name of the insecticide aldrin. See: Aldrin and dieldrin