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Anatomy

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Skin

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The most superficial, and thinnest, layer of skin is the epidermis, which lies on top of the dermis. The dermis is thicker than the epidermis and contains many glands and nerve endings. Below the dermis is subcutaneous tissue, which is the thickest layer and is composed primarily of fat. Collectively, the skin functions to provide protection from the outside world, regulate temperature, provide tactile input, absorb ultraviolet radiation, and metabolize vitamin D. Skin is also a major component of appearance.

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Table Graphic Jump Location
TABLE 7.1Types of Cells and Location in Skin
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Wound Healing

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Table Graphic Jump Location
TABLE 7.2Stages of Wound Healing

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