white& red
3
The walls of the arteries are very thick in fact artery walls consist of three cell layers.
The three layers of an artery are Endothelium, smooth muscle, and connective tissue.
Three
(squamous) Arterial endothelial cells.
capillary walls are very thin, often a cell thick. artery walls have two thick layers.
Arteries actually have 5 layers, it is the veins that have 3. Arteries have: -the Outer coat -Elastic layer -Middle coat (thin) -Another elastic layer -Endothelium
forty-six layers
carotid layer
renal artery
71 microscopic layers
2 layers of lipids.