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).
Crohn's disease
Crohn's disease: A chronic inflammatory disease, primarily involving the small and large intestine, but which can affect other parts of the digestive system as well. It is named for Burrill Crohn, the American gastroenterologist who first…
Read the definitionRandom terms
Show more- Eardrum The tympanic membrane of the ear, or tympanum, the membrane that separates the middle ear from the external…
- Subway diet: The Subway diet is a weight loss plan popularized in 2004 by Jared Fogle, who claims that he lost over 245…
- Thoracic duct A vascular structure which recirculates lymph into the blood stream. It begins in the abdomen and tracks…
- Fear of new things An irrational fear of anything new, of innovation, of new situations, places, or things. Also called…
- ADA (American Diabetes Association) The American Diabetes Association (ADA) provides the following introduction: 'The American Diabetes…
- Test, FTA-ABS FTA-ABS stands for fluorescent treponemal antibody absorbed, a blood serum screening test for syphilis…
- Booster shot An additional dose of a vaccine needed periodically to 'boost' the immune system. For example, a booster shot…
- Chronic otitis externa Chronic inflammation of the skin lining the external ear canal leading to the ear drum. Can be caused by a…
- Immunoglobulin A A major class of immunoglobulins found in serum and external body secretions such as saliva, tears, and sweat…
- Oligodendrocyte A type of cell in the central nervous system. The oligodendrocytes surround and insulate the long fibers (the…
- Choroidal melanoma See: Melanoma, choroidal
- Cockle The ventricle of the heart. The origin of the word cockle in this sense is a matter of conjecture but in…