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).
Stroke index
A cardiodynamic measure. Stroke volume is the amount of blood the left ventricle ejects in one beat, measured in milliliters per beat (ml/beat). The stroke volume can be indexed to a patient's body size by dividing by the body surface area…
Read the definitionRandom terms
Show more- Will, living A living will is one form of advance medical directive. Advance medical directives pertain to treatment…
- Disease, Menetrier's See: Giant hypertrophic gastritis
- Landau-Kleffner syndrome Landau-Kleffner syndrome: A disorder with seizures starting in childhood in which the patient loses skills…
- Loeys-Dietz syndrome Loeys-Dietz syndrome: Loeys-Dietz syndrome is an inherited syndrome characterized by aortic aneurysms…
- Hyperlexia The presence of advanced ability to read compared to the ability to understand spoken language. Children with…
- Calor Heat, one of the four classic signs of inflammation (together with dolor, rubor and tumor). From the Latin…
- Suprarenal gland See adrenal gland.
- Ductular hypoplasia, syndromatic hepatic Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…
- Doctor-assisted suicide The term in the UK for physician-assisted suicide
- Hypoplastic left heart syndrome A form of congenital heart disease in which the whole left half of the heart (including the aorta , aortic…
- Cryophobia An abnormal and persistent fear of cold, including cold weather and cold objects. Sufferers from cryophobia…
- Gastritis Gastritis: Inflammation of the stomach. From the Latin gastricus meaning stomach + -itis, meaning…