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).
CD8+ T cell
See: Cytotoxic T-lymphocyte
Read the definitionRandom terms
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- Physicians' Desk Reference A thick volume that provides a guide to all prescription drugs available in the United States. Although not…
- R-tPA Recombinant tissue plasminogen activator. See: Tissue plasminogen activator
- Eye chart test This test measures how well you see at various distances. The eye chart itself -- the usual one is called…
- Immune Protected against infection. The Latin immunis means free, exempt.
- Stercolith See: Fecalith
- Aneurysm A localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is…
- Endoscopic sphincterotomy An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a…
- Jackson Laboratory The premiere place for mouse genetics and the largest mammalian genetic research facility in the world. Many…
- Hemidiaphragm, raised See: Elevated hemidiaphragm
- Alpha interferon A protein produced by the body in response to an infection. There are 3 major classes of interferon -- alpha…
- Neurotheology The search for the place(s) in the brain where religious beliefs originate. Neurotheology mixes terms and…