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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Myotonic dystrophy
An inherited disease in which the muscles contract but have decreasing power to relax -- this phenomenon is termed myotonia (irritability and prolonged contraction of muscles). The disease also leads to a mask-like expressionless face…
Read the definitionRandom terms
Show more- Otitis externa Otitis externa: Infection of the skin covering the outer ear canal that leads in to the ear drum, usually due…
- Pleurisy Pleurisy: Inflammation of the pleura, the linings surrounding the lungs. There are two layers of pleura; one…
- Newborn intensive care unit An intensive care unit designed for premature and ill newborn babies. Abbreviated NICU. Also called a…
- Exudative angina Angina: This has nothing whatsoever to do with the usual type of angina (angina pectoris) which is chest pain…
- Film, lateral An X-ray picture taken from the side
- Fecalith A hard stony mass of feces. A fecalith can obstruct the appendix, leading to appendicitis. Fecaliths also can…
- Ventricle, third >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Guinea worm disease A parasitic disease caused by infection with the guinea worm (Dracunculus medinensis), the largest parasite…
- Pavlov stomach A Pavlov pouch fashioned surgically from part of the stomach (which is isolated from the rest of the…
- Petasites vulgaris See: Butterbur
- Breast cancer metastasis suppressor 1 (BRMS1) A gene that plays a role in preventing the metastasis (spread) of breast cancer to other parts of the body…
- Glass eye 1. A globe of glass that looks like and is intended to replace the eyeball.2. By extension, a real eye that…