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 echocardiography
Stress echocardiography: A supplement to the routine exercise cardiac stress test. During stress echocardiography, the sound waves of ultrasound are used to produce images of the heart at rest and at the peak of exercise. In a heart with…
Read the definitionRandom terms
Show more- Gouty arthritis An attack that is usually extremely painful of joint inflammation due to deposits of uric acid crystals in…
- Visual receptor The layer of rods and cones that are the visual cells of the retina
- ALT (alanine aminotransferase) An enzyme normally present in liver and heart cells that is released into the bloodstream when the liver or…
- Complications, postoperative Postoperative problems affecting patients after surgery. Postoperative complications may (or may not) be…
- Termination codon See: Stop codon
- Gray A unit of absorbed radiation equal to the dose of one joule of energy absorbed per kilogram of matter, or 100…
- Biopsy The removal of a sample of tissue for purposes of diagnosis. (Many definitions of 'biopsy' stipulate that the…
- Environmental toxicology The toxicity and toxicology of environmental pollutants in air, dust, sediment, soil and water, and natural…
- PKD Short for phenylketonuria. See: Phenylketonuria.
- Fruit fly Scientifically known as Drosophila melanogaster. A favorite organism in genetics and biology research since…
- Primary cataract See: Cataract, primary
- Virginal membrane A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is…