MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Fibrous dysplasia, polyostotic
The lateral (outside) and smaller of the two long bones in the lower leg between the knee and ankle. (The other bone in the lower leg is the tibia.) The fibula is not weight bearing. It articulates (comes together to form a joint) with the…
Read the definitionRandom terms
Show more- Laparoscopic cholecystectomy Cholecystectomy: Rem of the gallbladder (cholecystectomy) by laparoscopy. Laparoscopic cholecystectomy is…
- KUB Kidney, ureter, and bladder
- Alagille syndrome Also known as arteriohepatic dysplasia, this is a genetic disorder characterized by jaundice in the newborn…
- HIB This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Myocardial infarction A heart attack. Abbreviated MI. The term 'myocardial infarction' focuses on the myocardium (the heart muscle)…
- Atresia, anal Congenital absence of an opening at the bottom end of the intestinal tract. Also called imperforate anus…
- Fear of flowers An abnormal and persistent fear of flowers. Sufferers experience undue anxiety even though they realize they…
- Medicine, nuclear See: Nuclear medicine
- Pallister-Killian syndrome A condition with multiple malformations at birth and mental retardation due to isochromosome 12p mosaicism…
- Sphingomyelin lipoidosis Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Diurnal Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can…
- Leg In popular usage, the leg extends from the top of the thigh down to the foot. However, in medical…