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).
Parathyroid gland
A gland that regulates calcium, located behind the thyroid gland in the neck. The parathyroid gland secretes a hormone called parathormone (or parathyrin) that is critical to calcium and phosphorus metabolism. Although the number of…
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Show more- Syndrome, carcinoid A syndrome due to carcinoid tumor which secretes large amounts of the hormone serotonin. The syndrome is…
- Selective tubal occlusion procedure (The acronym for selective tubal occlusion procedure is STOP.) A nonsurgical form of permanent birth control…
- Syndecan One of a family of core proteins with sugars attached to the cell surfaces that control or influence tissue…
- Olfactory system See: Olfactory apparatus
- BSL-3 Biosafety level 3. A level of biosafety considered appropriate for agents that may be transmitted by the…
- Boomeritis Injuries to older amateur athletes, especially those who are part of the Baby Boom, born when there was a…
- Arteriole A small branch of an artery (a vessel that carries blood high in oxygen away from the heart to the body)…
- Muscle, heart A type of muscle with unique features only found in the heart. The heart or cardiac muscle is medically…
- Hypotonic solution A solution with a lower salt concentration than in normal cells of the body and the blood. As opposed to an…
- Cafe au lait spot A flat spot on the skin that is the color of coffee with milk (café au lait) in persons with light skin, or a…
- Uveitis Uveitis: Inflammation of the uvea, the part of the eye that collectively refers to the iris, the choroid of…
- Reagent A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances