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).
Gland, mammary
One of the glands within the breast that secrete milk when prompted to do so by special hormones. Mammary glands are slightly tender to the touch, and may become more so during menstruation or pregnancy. They become enlarged when engorged…
Read the definitionRandom terms
Show more- Luschka, foramina of Two openings from the fourth ventricle, one in a system of four communicating cavities called ventricles…
- Pneumoconiosis The deposition of particulate matter such as asbestos and silicon in the lungs. See also: Black lung disease
- Alpha-1 Short for alpha-1 antitrypsin deficiency
- Failure, respiratory See: Respiratory failure
- Palate, soft The muscular part of the roof of the mouth. The soft palate is directly behind the hard palate. It lacks bone…
- Bladder cancer risks Smoking is a major risk factor. Cigarette smokers develop bladder cancer 2-3 times more often than do…
- Catheter, Foley A flexible plastic tube (a catheter) inserted into the bladder to provide continuous urinary drainage. The…
- Preventive medicine Medicine designed to avert and avoid disease. Screening for hypertension and treating it before it causes…
- F (symbol) A much used symbol, F stands for fractional concentration; free energy; Fahrenheit; visual field; fluorine…
- Fibrin The protein formed during normal blood clotting that is the essence of the clot.
- Therapy, constraint-induced movement A form of intensive physical therapy aimed at reorganizing and reprogramming the brain after a stroke, a…
- Bruise A bruise or 'contusion' is an traumatic injury of the soft tissues which results in breakage of the local…