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).
Transverse myelitis
A disease of the spinal cord in which there is demyelination (erosion of the myelin sheath that normally protects nerve fibers). The onset of the disorder is typically sudden. Symptoms include back pain followed by ascending weakness in…
Read the definitionRandom terms
Show more- Right atrium The right upper chamber of the heart. The right atrium receives deoxygenated blood from the body through the…
- Trachoma A chronic inflammatory eye disease due to infection with a bacterium called Chlamydia trachomatis. Trachoma…
- Perineal Of or relating to the perineum
- Carcinoma of the breast, infiltrating ductal Breast, infiltrating ductal: Infiltrating ductal carcinoma is one of several recognized specific patterns of…
- Bicornuate Having two horns or horn-shaped branches. The uterus (normally unicornuate) can sometimes be bicornuate (with…
- Extrasystole A premature contraction of the heart that is independent of the normal rhythm of the heart and that arises in…
- Keratoconus Keratoconus: Cone-shaped cornea with the apex of the cone being forward. Also called conical cornea.
- Behavioral medicine An interdisciplinary field of research and practice that focuses on how people's thoughts and behavior affect…
- C-IBS Constipation-predominant IBS (irritable bowel syndrome)
- OMS Abbreviation for the Organisation Mondiale de la Sante, the French name for the World Health Organization…
- Orthomolecular medicine 1. A term coined by the chemist Linus Pauling who defined it as 'the preservation of good health and the…
- Plasma The liquid part of the blood and lymphatic fluid, which makes up about half of its volume. Plasma is devoid…