Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D017540
http://purl.bioontology.org/ontology/MESH/D017540
Preferred Name

Tunica Media

Definitions
The middle layer of blood vessel walls, composed principally of thin, cylindrical, smooth muscle cells and elastic tissue. It accounts for the bulk of the wall of most arteries. The smooth muscle cells are arranged in circular layers around the vessel, and the thickness of the coat varies with the size of the vessel.
Synonyms
Venous Medias
Media, Vascular
Media, Venous
Medias, Vascular
Medias, Arterial
Arterial Media
Venous Media
Medias, Venous
Vascular Medias
Arterial Medias
Media, Arterial
Vascular Media
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Type http://www.w3.org/2002/07/owl#Class
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