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.
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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).
Cyanosis
A bluish color of the skin and the mucous membranes due to insufficient oxygen in the blood. For example, the lips may show cyanosis. Cyanosis can be evident at birth, as in a 'blue baby' who has a heart malformation that permits blood…
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Show more- Ornithine transcarbamylase (OTC) deficiency A rare metabolic disorder, OTC is one of the urea-cycle disorders. The urea cycle is a series of five liver…
- Lithium Lithium: Lithium carbonate (brand names: Eskalith; Lithobid), a drug used as a mood stabilizer for the…
- Coccygeal Referring to the coccyx, the small tail-like bone at the bottom of the spine, that is made up of 3-5 (average…
- Vaccinia, fetal See Congenital vaccinia
- Pathy A suffix derived from the Greek 'pathos' meaning 'suffering or disease' that serves as a suffix in many terms…
- Craniotomy A surgical operation in which an opening is made in the skull.
- Pachyderma Thick skin, like that of a pachyderm (an elephant, rhinoceros, or hippopotamus). From the Greek pachydermos…
- M.D. Abbreviation for the Latin title Medicinae Doctor, Doctor of Medicine. Sometimes written today as MD (without…
- Proteins Large molecules composed of one or more chains of amino acids in a specific order determined by the base…
- PTC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic
- Bacillus anthracis The bacterium that causes anthrax. Anthrax differs from most bacteria in that they exist in an inactive…
- Pachymeninx The dura. From pachy- (thick) + -meninx (membrane). The plural is pachymeninges