Tunica Media


Arterial Media

Arterial Medias

Media, Arterial

Media, Vascular

Media, Venous

Medias, Arterial

Medias, Vascular

Medias, Venous

Vascular Media

Vascular Medias

Venous Media

Venous Medias

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.