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).
Hansen disease
Leprosy, a chronic granulomatous infection caused by a bacterium which affects various parts of the body, including in particular the skin and nerves. (Granulomatous refers to the formation of granulomas, inflammatory nodules that are…
Read the definitionRandom terms
Show more- Antisense-strand RNA virus See: Negative-strand RNA virus
- Eicosanoid A lipid mediator of inflammation derived from the 20-carbon atom arachidonic acid (20 in Greek is 'eicosa')…
- Marie-Strumpell disease A synonym for ankylosing spondylitis. Named for the French neurologist Pierre Marie (1853-1940) and the…
- Toll receptor One of a family of receptors that provide a critical link between immune stimulants produced by…
- Gaucher disease, types 2-5 A series of disease due to glucocerebrosidase deficiency and accumulation of glucocerebroside in cells. By…
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Takayasu disease Takayasu disease: A chronic inflammatory disease of the aorta and its branch arteries. The cause is unknown…
- Immunization, MMR The standard vaccine given to prevent measles, mumps and rubella (German measles). The MMR vaccine is now…
- Immunization, meningococcal A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and…
- Fear of loneliness An abnormal and persistent fear of loneliness, of being alone. Sufferers of this fear experience undue…
- Immunization, measles Measles: See Immunization, MMR
- Cercopithecine herpesvirus 1 See B virus