Venous Media
《英文msh詞典》Venous Media
[入口詞] Venous Media
[主題詞] Tunica Media
[英文釋義] The middle coat 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.