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).
Yellow fever
An acute systemic (bodywide) illness caused by a virus called a Flavivirus. In severe cases, the viral infection causes a high fever, bleeding into the skin, and necrosis (death) of cells in the kidney and liver. The damage done to the…
Read the definitionRandom terms
Show more- Heart ventricle One of the two lower chambers of the heart. The right ventricle is the chamber that receives blood from the…
- Systemic Affecting the entire body. A systemic disease such as diabetes can affect the whole body. Systemic…
- Dactyledema Swelling of the fingers or toes
- Electroconvulsive therapy Electroconvulsive therapy: A procedure in which an electric current is passed through the brain to produce…
- Sly syndrome A disorder of mucopolysaccharide metabolism characterized by short stature, coarsening of the facial…
- Juvenile polyposis of stomach See: Juvenile polyposis
- PTC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic
- Infectious mono See infectious mononucleosis.
- Shock, psychologic Trauma due to psychological events, as in 'shell shock' (now known as post-traumatic stress disorder)
- Autosomal chromosome Any chromosome except for the sex chromosomes. Humans have 44 autosomal chromosomes, or autosomes
- Calipers A metal or plastic tool similar to a compass used to measure the diameter of an object. The skin fold…
- Chekhov See: Chekhov, Anton