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).
Visual contrast sensitivity
The ability to perceive differences between an object and its background
Read the definitionRandom terms
Show more- Diuresis The increased formation of urine by the kidney. See diuretic for more detail
- Carcinoma, pancreatic See: Pancreatic cancer
- X, factor A coagulation factor, a substance in blood essential to the normal clotting process. Production of factor X…
- Joint, acromioclavicular The acromioclavicular (AC) joint is located between the acromion (a projection of the scapula that forms the…
- Phagocytosis The process by which a cell engulfs particles such as bacteria, other microorganisms, aged red blood cells…
- Appendiceal rupture Rupture of appendix
- Quadrant A quarter. For example, the liver is in the right upper quadrant of the abdomen.
- Blackwell, Elizabeth (1821-1910) The first woman to receive a medical degree from an accredited American college. Blackwell was…
- Fibrin The protein formed during normal blood clotting that is the essence of the clot.
- Cancer Institute, National The National Cancer Institute (NCI) is one of the National Institutes of Health (NIH) in the U.S. The mission…
- TXB2 Thromboxane B2, the inactive product of thromboxane
- Lymphoma, high-grade High-grade lymphoma