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).
Bicuspid valve
One of the four valves of the heart, this valve is situated between the left atrium and the left ventricle. It permits blood to flow one way only, from the left atrium into the left ventricle This valve is more commonly called the mitral…
Read the definitionRandom terms
Show more- Ascending aorta The ascending aorta is the first section of the aorta, the largest artery in the body. The ascending aorta…
- Snort Take in a drug by inhalation. For example, snorting cocaine is inhaling cocaine powder through the nose where…
- Autologous In blood transfusion and transplantation, a situation in which the donor and recipient are the same person…
- Synovitis Inflammation of the synovial membrane, the lining of the joint
- Papilla, anal See: Anal papilla
- Arteriosclerotic aneurysm A localized widening (aneurysm) of a vessel that occurs because the vessel wall is weakened by…
- Oesophagus Alternate spelling for esophagus. The British have an oesophagus while Americans have an esophagus. But on…
- Hepat- Having to do with the liver. Pronounced hi-'pa-tik. From the Latin hepaticus derived from the Greek hepar…
- Paleolithic diet The Paleolithic diet is a weight loss plan based upon the premise of consuming only those foods available…
- PSA See: Primary sclerosing cholangitis.
- Tumor, primary See: Primary tumor
- Cheek The side of the face forming the side wall of the mouth. The cheek bone is part of the temporal bone of the…