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).
Stress exercise thallium scan
Stress exercise thallium scan: A method of examining the heart to obtain information about the blood supply to the heart muscle. Special cameras take a series of pictures of the heart. A radioactive substance is injected into the…
Read the definitionRandom terms
Show more- Bicuspid Having two flaps or cusps. The heart valve that is called the bicuspid valve is located between the left…
- Otitis externa Otitis externa: Infection of the skin covering the outer ear canal that leads in to the ear drum, usually due…
- Kelman, Charles D. See: Phacoemulsification
- UNESCO Acronym for the United Nations Educational, Scientific, and Cultural Organization
- Herpes, genital See: Genital herpes
- Gluten enteropathy A condition, also called celiac sprue, in which the absorption of food nutrients through the small intestine…
- HER1 See: EGFR
- Sphygmomanometer An instrument for measuring blood pressure, particularly in arteries. The two types of sphygmomanometers are…
- Pill In pharmacy, a medicinal substance in a small round or oval mass meant to be swallowed. Pills often contain a…
- Niacin deficiency See: Pellagra
- Node, sinoatrial The sinoatrial is one of the major elements in the cardiac conduction system, the system that controls the…
- Evolution, biologic Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out…