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).
Cell, T-helper
See: T-helper cell
Read the definitionRandom terms
Show more- Hyperosmolar In biochemistry, pertaining to an osmolar concentration of the body fluids that is abnormally increased. As…
- Cation In chemistry, a positively charged ion. Pronounced cat-I-on. A cation is as opposed to an anion, which is a…
- Analysis A psychology term for processes used to gain understanding of complex emotional or behavioral issues
- National Coalition for Cancer Survivorship A survivor-led advocacy group that works on behalf of the millions of cancer survivors and the millions more…
- Vitreous type 2 Stickler syndrome Stickler syndrome, type II. See: Stickler syndrome
- Cleft palate An opening in the roof of the mouth (the palate) due to a failure of the palatal shelves to come fully…
- Seroconversion Seroconversion: The development of detectable antibodies in the blood directed against an infectious agent…
- Vasodilation Widening of blood vessels resulting from relaxation of the muscular wall of the vessels. What widens is…
- Stomach, Pavlov A pouch fashioned surgically from part of the stomach (but isolated from the rest of the stomach) that opens…
- Ban zhi lian See: Scutellaria barbata
- Somnambulism A sleepwalker.
- Chromatin modeling See: Chromatin remodeling