Library · Anatomy
Skin
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The skin is the body's covering. In a three-layer description, picture a cross section made of stacked sheets: the epidermis is on the outside, the connective-tissue dermis is in the middle, and the subcutaneous layer lies innermost.
Together, these layers form a barrier for deeper tissues. That barrier protects them from abrasion, helps keep microbes out, limits unwanted water loss, and helps block damage from ultraviolet light.
In brief
In a three-layer anatomical description, the skin consists of an outer epidermis, a middle dermis made of connective tissue, and an inner subcutaneous layer.
This covering protects deeper tissues from abrasion, the entry of microbes, unwanted water loss, and damage from ultraviolet light.
Sources (1)
- Agency for Healthcare Research and Quality via NCBI BookshelfSkin Substitutes for Treating Chronic Wounds: BackgroundPublished
This page explains the topic in general terms; it does not tell anyone what treatment to follow.
Updated