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).
Pneumomediastinum
Free air in the mediastinum (space betweens the lungs) which may give rise to pneumothorax or pneumopericardium and compromise the lungs or heart.
Read the definitionRandom terms
Show more- Herpes zoster Also called shingles, zona, and zoster. The culprit is the varicella-zoster virus. Primary infection with…
- PTC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic
- Syndrome, Aase-Smith II See: Aase-Smith syndrome II
- Frigidity Failure of a female to respond to sexual stimulus; aversion on the part of a woman to sexual intercourse…
- Sudden Infant Death Syndrome (SIDS) Sudden Infant Death Syndrome (SIDS): The sudden and unexpected death of a baby with no known illness…
- Mortality rate A death rate. There are a number of different types of mortality rates as, for examples, the following: >…
- Atherogenesis The process of forming atheromas, plaques in the inner lining (the intima) of arteries
- CADASIL Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy. An inherited form…
- MSAFP (maternal serum alpha-fetoprotein) The presence of AFP, a plasma protein normally produced by the fetus, in the mother's blood. The MSAFP serves…
- X-ray 1. High-energy radiation with waves shorter than those of visible light. X-rays possess the properties of…
- Ordre des Medecins The Conseil National de l'Ordre des Médecins. The French equivalent of the American Medical Association (the…
- Insulinoma A tumor of the beta cells in areas of the pancreas called the islets of Langerhans. Although not usually…