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).
Atherectomy
A procedure for opening up an artery by removing the plaque (atheroma) produced by the build-up of cholesterol and other fatty substances in the inner lining of the artery from atherosclerosis ('hardening of the arteries'). Atherectomy is…
Read the definitionRandom terms
Show more- Anti-infective Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing…
- Ketone A chemical substances that the body makes when it does not have enough insulin in the blood. When ketones…
- Merkel cell carcinoma Carcinoma: An infrequent but highly malignant type of skin cancer. Characteristically starts in a sun-exposed…
- Knee joint The knee joint has three parts. The thigh bone (the femur) meets the large shin bone (the tibia) to form the…
- Trench fever Fever: A disease borne by body lice that was first recognized in the trenches of World War I, when it is…
- Principal investigator In biomedical research, the person who directs a research project or program. The principal investigator (the…
- Furuncle Nothing more nor less than a 'boil' with a fancy name. A boil is a collection of pus. Antibiotics are often…
- Duane retraction syndrome See: Duane syndrome
- Fear of pain An abnormal and persistent fear of pain. The fear is excessive, beyond that which is expected under the…
- Mollaret meningitis Benign recurrent aseptic meningitis. The cause of Mollaret meningitis is not known. Mollaret meningitis is…
- Hepatic ductular hypoplasia, syndromatic Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…
- Skin graft, mesh A graft technique in which multiple pieces of skin are carefully arranged to cover an area. This technique is…