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).
Centenarian
Someone who is 100 or more years old. Someone 110 years old and over (no upper limit) may also be referred to as a supercentenarian. See also: Age by decade
Read the definitionRandom terms
Show more- Agonist A drug that binds to a receptor of a cell and triggers a response by the cell. An agonist often mimics the…
- ATG Antithymocyte globulin
- Polygenic Pertaining to two or more genes. As opposed to monogenic. Eye color is polygenic. It is by determined by a…
- TB Common abbreviation (spelled out T-B) for tuberculosis. Tuberculosis took its name from the characteristic…
- Heart murmur An unusual heart sound which may be innocent or reflect disease.
- Power of attorney, durable This is a type of advance medical directive in which legal documents provide the power of attorney to another…
- Clip A device used to hold something or things together. A surgical clip may be used to prevent a blood vessel…
- Manometry The measurement of pressure using a device called a manometer. Esophageal manometry is done to measure muscle…
- Chronic insomnia See Insomnia, chronic
- Fibrillation In matters of the heart (cardiology), fibrillation is incoordinate twitching of the heart muscle fibers. The…
- Ear tag Common minor anomaly, a rudimentary tag of ear tissue, often containing a core cartilage, usually located…
- Grid, Amsler The normal process of reacting to a loss. The loss may be physical (such as a death), social (such as…