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).
Geography, medical
See: Medical geography
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Show more- DDH (developmental dislocation of the hip) The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Systole The time period when the heart is contracting. The period specifically during which the left ventricle of the…
- NBIA Neurodegeneration with brain iron accumulation. See: Hallervorden-Spatz disease
- Zona 1. A synonym for shingles. 2. Any zone or encircling area. 3. Any area with a specific boundary. Zona, Latin…
- Blood blister A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle…
- T cell, peripheral A T cell found in the peripheral blood rather than in the lymphatic system.
- Nicotine Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically…
- Spirochete A microscopic bacterial organism in the Spirochaeta family. Spirochetes have a worm-like, spiral-shaped form…
- Stage of dilatation The part of labor when the cervix dilates fully (to 10 centimeters). Also called the first stage of labor
- Absent eye Also called anophthalmia, a congenital malformation (birth defect) of the globe. Anophthalmia refers…
- Cardiopulmonary bypass Bypass of the heart and lungs as, for example, in open heart surgery. Blood returning to the heart is…
- Eight-day measles Measles: An acute highly contagious viral disease with fever, runny nose, cough, red eyes, and a spreading…