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).
Left atrium
The upper right chamber of the heart. The left atrium receives oxygenated blood from the lungs and pumps it down into the left ventricle which delivers it to the body. NTER>
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Show more- Bladder cancer risks Smoking is a major risk factor. Cigarette smokers develop bladder cancer 2-3 times more often than do…
- 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…
- SPECT An acronym that stands for Single Photon Emission Computed Tomography, a nuclear medicine procedure in which…
- Microhematuria Hematuria means blood in the urine and microhematuria refers to hematuria that is visible only under a…
- Vitreous type Stickler syndrome Stickler syndrome, type I. See: Stickler syndrome
- Aphasia, amnesic See Anomia
- Vulvar vestibulitis Inflammation of small glands at the entrance to the vagina. Vulvar vestibulitis is the most common physical…
- Humoral Pertaining to elements in the blood or other body fluids. In medicine, humor refers to a fluid (or semifluid)…
- Suppurate To form or discharge pus. The adjective is suppurative, as in suppurative arthritis. The noun is suppuration…
- PAM Primary amebic meningoencephalitis
- Chemosense The chemical sensing system. The sense of smell is part of our chemical sensing system, or the chemosenses
- Muscle, abductor Any muscle used to pull a body part away from the midline of the body. For example, the abductor muscles of…