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).
Moyamoya
A pattern of progressive obstructive and occlusive cerebral arteritis (inflammation of the cerebral arteries that obstructs and occludes them), predominantly in children and young adults. Symptoms include headaches, behavioral…
Read the definitionRandom terms
Show more- Atherosclerotic Pertaining to atherosclerosis, the process of progressive thickening and hardening of the walls of arteries…
- Open charting The practice of making medical charts available to the patient
- Temporal lobe epilepsy See: Epilepsy, temporal-lobe
- Coinsurance A provision by which the insured individual shares in the cost of certain expenses. The same as co-payment
- Band, chromosome One of the transverse bands produced on chromosomes by differential staining techniques. Depending on the…
- Scoliosis, structural A fixed lateral (sideway) curve of the spine. Structural scoliosis often occurs from unknown factors without…
- Vena cava, superior A large vein that receives blood from the head, neck, upper extremities, and thorax and empties it into the…
- Fraction, ejection The portion of blood that is pumped out of a filled ventricle as a result of a heartbeat. The heart does not…
- Liver biopsy Liver biopsy: A procedure in which a small sample of the liver is removed for the diagnosis of abnormal liver…
- Femicide The killing of women. For example, AIDS in Africa has been termed 'mass femicide.' Femicide is in contrast to…
- Tuberoeruptive xanthoma See: Eruptive xanthoma
- Factor V A coagulation factor needed for the normal clotting of blood. Also known as proaccelerin