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).
Contraction
The tightening and shortening of a muscle
Read the definitionRandom terms
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- Stomatitis, Vincent This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Coronary angiography The most accurate method (the 'gold standard') for evaluating and defining coronary artery disease (CAD)…
- Fibroid A benign tumor of the uterus and the single most common indication for hysterectomy. Fibroids can be present…
- Disease, Kok A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Mastocytosis A condition characterized by infiltration of mast cells into the tissues of the body. Mast cells are…
- Cyclothymia A form of bipolar disorder in which the mood swings are less severe. See also bipolar disease.
- Mute A mute is a person who does not speak, either from an inability to speak or an unwillingness to speak. The…
- False positive A result that is erroneously positive when a situation is normal. An example of a false positive: a…
- Test, PSA See: PSA
- Glucose Glucose: The simple sugar (monosaccharide) that serves as the chief source of energy in the body. Glucose is…
- ROMA Representational oligonucleotide microarray analysis. A method for the detection of genomic aberrations…