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).
Embolism, pulmonary
The obstruction of the pulmonary artery or a branch of it leading to the lungs by a blood clot, usually from the leg, or foreign material causing sudden closure of the vessel. (Embolus is from the Greek 'embolos' meaning plug.) The risk…
Read the definitionRandom terms
Show more- Cardiac index A cardiodynamic measure based on the cardiac output, which is the amount of blood the left ventricle ejects…
- Inversion, paracentric chromosome A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is…
- Proximal myotonic myopathy See: Myotonic dystrophy type 2
- Villus 1. A tiny finger-like or hair-like projection. 2. A small vascular protrusion.Villus is the Latin word for…
- Resection Surgical removal of part of an organ
- Visual evoked response VER. A type of electrophysiologic retinal testing done to measure the electrical potential resulting from a…
- Germanium A nonessential trace element that has caused nephrotoxicity (kidney injury) and death when used chronically…
- Sphygmomanometer An instrument for measuring blood pressure, particularly in arteries. The two types of sphygmomanometers are…
- Pharmacy benefit manager A company under contract with managed care organizations, self-insured companies, and government programs to…
- Multiple lentigines syndrome See: LEOPARD syndrome
- Super- Prefix meaning meaning above, more than normal, or excessive. As in superaspirin, superbug, superjacent…
- Poisoning, mercury The metallic element mercury is poisonous to humans. Mercury poisoning can occur in both acute and chronic…