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).
Thrombin
A key clot promoter, thrombin is an enzyme that presides over the conversion of a substance called fibrinogen to fibrin, the right stuff for a clot
Read the definitionRandom terms
Show more- Cholangi- Relating to a bile duct. From the Greek chole meaning bile + a(n)geion meaning a vessel = a bile vessel
- Test, syphilis (FTA-ABS) The fluorescent treponemal antibody absorbed (FTA-ABS) test for syphilis is a blood serum screening test…
- Teaspoon An old-fashioned but convenient household measure. A teaspoon holds about 5 cc of liquid
- Care, ambulatory See: Ambulatory care
- Congenital stationary night blindness An inherited eye disorder that is not progressive ('stationary') and principally affects the rod…
- Lennox syndrome A severe form of epilepsy that is characterized by the onset in early childhood of frequent seizures of…
- Scan, SPECT Single Photon Emission Computed Tomography, a nuclear medicine procedure in which a gamma camera rotates…
- Medical word origin See: Medical etymology
- Genetic counseling An educational counseling process for individuals and families who have a genetic disease or who are at risk…
- X chromosome inactivation See: X inactivation
- Lipoma A benign fatty tumor.
- MIC-1 Macrophage inhibitory cytokine 1. A divergent member of the transforming growth factor beta superfamily…