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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Bicuspid aortic valve
Whereas the normal aortic valve in the heart has three flaps (cusps) that open and close, a bicuspid valve has only two. There may be no symptoms in childhood, but in time the valve may become stenotic (narrowed), making it harder for…
Read the definitionRandom terms
Show more- Funny bone As in 'it tickled my funny bone.' When the elbow is bumped, the ulnar nerve running past the elbow is…
- AIDS wasting syndrome The involuntary weight loss of 10% of baseline body weight plus either chronic diarrhea (two loose stools per…
- OCG Oral cholecystogram
- Bulbar conjunctiva That part of the conjunctiva, a clear membrane of the eye, which covers the outer surface of the eye. The…
- Sagittal sinus A crucial large vein that goes over the top of the skull from front to back and then splits to take blood…
- Syndrome, Bloch-Sulzberger Also known as incontinentia pigmenti (IP). A genetic disease with blisters that develop soon after birth on…
- SI joint pain See sacroiliac joint dysfunction
- Hepatico- A combining form used before a consonant to indicate a relationship to a hepatic duct or the liver. From the…
- PEEP Peeping tom (voyeurism) is a disorder that involves achieving sexual arousal by observing an unsuspecting and…
- Chicken pox See: Chickenpox
- Mitral prolapse Drooping down or abnormal bulging of the mitral valve cusps during the contraction of the heart.
- FMRP As stated in the entry for FMR1, FMRP is an acronym composed of the first letters of Familial Mental…