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).
Chyme
A pre-digested, acidified mass of food that passes from the stomach into the small intestine
Read the definitionRandom terms
Show more- Mydriasis Dilation of the pupils induced by eyedrops. The opposite of miosis.
- Blue baby operation A surgical procedure for a baby who is cyanotic (blue) due to a heart malformation that prevents blood from…
- Syndrome, Down A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome causes mental…
- Federal Emergency Management Agency Better known as FEMA, an agency of the US government dedicated to rapid response to disasters, both man-made…
- Rapid eye movement sleep Sleep: Rapid eye movement sleep (REM) sleep is the portion of sleep when there are rapid eye movements…
- Clonote The first cell produced by the combination of a nucleus and an enucleated ovum that launches the process of…
- Typhus, tropical See Typhus, scrub
- Cyclooxygenase-1 inhibitor See: Cox-1 inhibitor
- Vaccination, hepatitis B Hepatitis B: Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually…
- Hounsfield 1. Godfrey Hounsfield, a key contributor to the creation of the CAT scanner.2. The unit measuring the…
- Nipple The pigmented projection on the surface of the breast. Ducts that conduct milk from the mammary glands to the…
- Placebo Also called the placebo response. A remarkable phenomenon in which a placebo -- a fake treatment, an inactive…