MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Placebo
Also called the placebo response. A remarkable phenomenon in which a placebo -- a fake treatment, an inactive substance like sugar, distilled water, or saline solution -- can sometimes improve a patient's condition simply because the…
Read the definitionRandom terms
Show more- Trans fatty acid An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils…
- Physical therapy A branch of rehabilitative health that uses specially designed exercises and equipment to help patients…
- Thalassemia Not just one disease but rather a complex series of genetic (inherited) disorders all of which involve…
- Vocal tremor Tremor: Trembling or shaking of one or more of the muscles of the larynx (the voice box), resulting in an…
- Gower syndrome (situational syncope) The temporary loss of consciousness in particular kinds of situations. (Syncope is temporary loss of…
- Node, AV AV node: The AV node (AV stands for atrioventricular) is an electrical relay station between the atria (the…
- Erythrocyte A cell that contains hemoglobin and can carry oxygen to the body. Also called a red blood cell (RBC). The…
- Syndrome, Ramsay Hunt See: Ramsay Hunt syndrome
- Ear wax Ear wax: A natural wax-like substance secreted by special glands in the skin on the outer part of the ear…
- Reduction, breast See: Breast reduction
- Fracture, comminuted A fracture in which bone is broken, splintered or crushed into a number of pieces. NTER> A fracture is a…
- Jugular The principal vein in the front of either side of the neck. The word comes from the Latin jugulum meaning…