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).
Dendritic cell
A special type of cell that is a key regulator of the immune system, acting as a professional antigen-presenting cell (APC) capable of activating naïve T cells and stimulating the growth and differentiation of B cells. Dendritic cells are…
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Show more- Digestive system The organs that are responsible for getting food into and out of the body and for making use of it. These…
- Central venous line A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…
- Steele-Richardson-Olszewksi syndrome A hormonal problem that causes women to have various symptoms, including irregular or no menstruation, acne…
- AANAT The synbol for the enzyme arylalkylamine N-acetyltransferase and for the gene that encodes it. AANAT is…
- Mycobacterium ulcerans The bacterium that causes Buruli ulcer. Mycobacterium ulcerans is a member of the family of bacteria that…
- Vitamin A >Beta carotene: An antioxidant which protects cells against oxidation damage that can lead to cancer. Beta…
- Moyamoya A pattern of progressive obstructive and occlusive cerebral arteritis (inflammation of the cerebral arteries…
- Cellulite Cellulite: Popular term for deposits of fat that have a cottage cheese-like or puckered texture. Medically…
- Itch, seabather's An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Blister, blood A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle…
- Nephrolithotripsy, percutaneous (PNL) A technique for removing large and/or dense stones and staghorn stones. PNL is done via a port created by…
- Saccadic movement See: Saccade