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).
Sydenham chorea
An acute neurologic disorder that emerges several months following a streptococcal ('strep') infection, most frequently in children between the age of 5 and 15. There may be a history of a strep throat or a strep skin infection. There may…
Read the definitionRandom terms
Show more- Cranial arteritis A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels…
- Pressure, intraocular The pressure created by the continual renewal of fluids within the eye. The intraocular pressure is increased…
- Myc- The plural of mycelium.
- HELLP syndrome A syndrome featuring a combination of 'H' for hemolysis (the breakdown of red blood cells), 'EL' for elevated…
- Subarachnoid Literally, beneath the arachnoid, the middle of three membranes that cover the central nervous system. In…
- Teething Teething is the emergence of the primary (baby) teeth through a baby or child's gums. Teething usually begins…
- Depigmentation Loss of color (pigment) from the skin, mucous membranes, hair, or retina of the eye. The color of the skin…
- Prothrombin A coagulation (clotting) factor that is needed for the normal clotting of blood. A cascade of biochemical…
- Absinthism The disorder associated with the habitual abuse of absinthe. The symptoms included hallucinations…
- Family history of colon polyps See: Colon cancer family history
- Smallpox bioterrorism The misuse of smallpox as an agent of bioterrorism. Smallpox was eradicated in 1977. Routine vaccinations…
- Polycystic kidney disease, autosomal recessive Ystic kidney disease, autosomal recessive: An early onset disorder characterized by the presence of…