MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Acute myocardial infarction
A heart attack. The term 'myocardial infarction' focuses on the heart muscle, which is called the myocardium,and the changes that occur in it due to the sudden deprivation of circulating blood. This is usually caused by arteriosclerosis…
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- Tachycardia, paroxysmal atrial A fast heartbeat (tachycardia) because of rapid firing of the sinoatrial (sinus) node. The sinoatrial (or…
- Angina, Prinzmetal Angina, Prinzmetal: Chest pain due to a coronary artery spasm, a sudden constriction of one of the vessels…
- Stomach flu So-called 'stomach flu' actually has nothing to do with the influenza (flu) virus. This term is sometimes…
- Integrin One of a large and very important family of adhesion molecules that promote stable interactions between cells…
- Chemoembolization Chemoembolization is a procedure in which the blood supply to a tumor is blocked and anticancer drugs are…
- LSD Lysergic acid diethylamide, an hallucinogen. LSD is an abbreviation of the German term…
- Hantavirus A group of viruses that cause hemorrhagic fever and pneumonia. The Hantaviruses include the Hantaan virus…
- Deer mouse A deceptively cute rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary…
- Fat, trans An unhealthy substance, also known as trans fatty acid, made through the chemical process of hydrogenation of…
- Drug, antihypertensive As the name clearly implies, a drug aimed at reducing high blood pressure (hypertension)
- Unsaturated fat A fat that is liquid at room temperature and comes from a plant such as olive, peanut, corn, cottonseed…