The Subcutaneous Layer is the underlying skin layer which consists largely of adipose (fat) tissue, blood vessels, nerves and lymph channels.
It provides skin with cushioning, shock absorption, protection from physical trauma and serves as an insulator against external temperature variations.
The thickness of the Subcutaneous Layer is determined by where it appears on the body. For example, it is thicker on the palms of the hands and soles of the feet, but thinner around the eye contours.
As with the Dermis, the Subcutaneous Layer contains collagen and elastin fibers, which give skin it's firmness and elasticity.
(To learn more about the anatomy of the skin, click on the Articles menu to the left.)
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