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).
Dextromethorphan
An oral cough suppressant available in the US without a prescription but which is sometimes abused as a recreational drug. Dextromethorphan (DXM) is chemically related to codeine and acts on the brain to suppress cough, but it does not…
Read the definitionRandom terms
Show more- Uroporphyrinogen decarboxylase deficiency See: UROD deficiency
- Percutaneous transhepatic cholangiography PTCA. The use of a balloon-tipped catheter to enlarge a narrowed artery.
- Saliva A watery secretion in the mouth produced by the salivary glands that aids in the digestion of food. Saliva…
- Women's Health Initiative A hospital for the exclusive use of women. The first hospital called by that name was the Woman's Hospital of…
- Baker cyst Baker cyst: A swelling in the space behind the knee (the popliteal space) composed of a membrane-lined sac…
- Typhus, tick Also known as Rocky Mountain spotted fever, an acute febrile (feverish) disease initially recognized in the…
- Cerebellar ataxia with progressive dementia See: Gerstmann-Straussler-Scheinker syndrome
- PVB Premature ventricular beat. See: Extrasystole
- Newborn intensive care unit An intensive care unit designed for premature and ill newborn babies. Abbreviated NICU. Also called a…
- Beard ringworm Ringworm: A superficial fungal infection of the skin, affecting the bearded area of the face and neck, with…
- Merkle cell carcinoma A rapidly growing type of skin cancer, correctly termed Merkel cell carcinoma, after the German anatomist and…
- Nanny cam A camcorder (a video camera and video recorder in one unit) that displays a live feed so that parents can…