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).
Drug test
An examination of biologic material (such as urine, hair, saliva, or sweat) to detect the presence of specific drugs and determine prior drug use. Drug tests may be performed to detect illegal drug use as well as the use of drugs and…
Read the definitionRandom terms
Show more- Congenital stationary night blindness An inherited eye disorder that is not progressive ('stationary') and principally affects the rod…
- Postpartum depression Postpartum depression: A form of severe depression after delivery that requires treatment. It is sometimes…
- Voice box The voice box, or larynx, is the portion of the respiratory (breathing) tract containing the vocal cords…
- Sulcus A groove, crevice, or furrow. In medicine, there are many sulci (plural of sulcus) as, for example, the…
- Colitis, Crohn's Crohn's disease affecting only the large intestine (colon). Crohn's disease is a chronic inflammatory…
- Colitis, mucus A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Hybridoma A cell hybrid resulting from the fusion of a cancer cell and a normal lymphocyte (a type of white blood…
- Gait, steppage See Steppage gait
- Glucuronosyltransferase, UDP- A liver enzyme essential to the disposal of bilirubin (the chemical that results from the normal breakdown of…
- Labor support professional See: Doula (the first meaning)
- Nocturnal amblyopia Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…
- Diabetes, adult-onset Type 2 diabetes. See also Diabetes, type 2