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).
Biopsy
The removal of a sample of tissue for purposes of diagnosis. (Many definitions of 'biopsy' stipulate that the sample of tissue is removed for examination under a microscope. This may or may not be the case. The diagnosis may be achieved by…
Read the definitionRandom terms
Show more- Megalencephaly Also called macrencephaly, a condition in which there is an abnormally large, heavy, and usually…
- Prenatal care During pregnancy, women should receive regular health care from an obstetrician or midwife. Services needed…
- CREST syndrome A limited form of scleroderma, a disease of connective tissue with the formation of scar tissue (fibrosis) in…
- Blood pressure, high Also known as hypertension, high blood pressure is, by definition, a repeatedly elevated blood pressure…
- Corneal ring, intrastromal A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye. The…
- Antiinfective Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing…
- Gibbon, John H., Jr. American cardiovascular surgeon (1903-1973) who performed the world's first successful open-heart operation…
- Dormant tuberculosis See: Tuberculosis, dormant. See also: Tuberculous meningitis.
- Heberden disease >Angina pectoris, chest pain that is often severe and crushing, due to an inadequate supply of oxygen to the…
- Iris, speckled Due to little white (or lightly colored) spots that are slightly elevated on the surface of the iris. These…
- Obstetrician/gynecologist An obstetrician is a physician who delivers babies and is in the practice of obstetrics while a gynecologist…
- Zovirax Brand name of Acyclovir