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).
Purpura, Henoch-Schonlein
See: Schönlein-Henoch purpura.
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Show more- Thyrotropin A hormone produced by the pituitary gland at the base of the brain in response to signals from the…
- Thimerosal A mercury-containing preservative used in some vaccines and other products since the 1930's. No harmful…
- Autosomal dominant hereditary spastic paraplegia A degenerative disorder of nerves with progressive spasticity of the legs. Abbreviated as AD-HSP. Spasticity…
- Discharge, nipple See: Breast discharge
- Premature systole See: Extrasystole
- Carcinoma of the breast, infiltrating ductal Breast, infiltrating ductal: Infiltrating ductal carcinoma is one of several recognized specific patterns of…
- Aorta, ascending The ascending aorta is the first section of the aorta, the largest artery in the body. The ascending aorta…
- Echocardiography Echocardiography is a diagnostic test which uses ultrasound waves to make images of the heart chambers…
- Hereditary arthroophthalmopathy See: Stickler syndrome
- Headache, hypnic See: Hypnic headache
- Rickets, vitamin D resistant A rickets-like condition caused by an inborn defect of metabolism, usually in males. Vitamin D cannot be…
- Mega- (prefix) The combining form 'mega-' comes from the Greek 'megas', great or big and means abnormally large…