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    Skin Anatomy

    The skin is our body’s external envelope, carrying out several key functions. 

    Protection from the external environment: 

    • Mechanical aggressions;
    • Chemical and microbial aggressions;
    • Climactic aggressions (heat, cold, dryness)
    • Harmful solar rays.

    Protection from the external environment:

    • Thermoregulation;
    • Absorption of certain substances;
    • Elimination of toxins and wastes;
    • Vitamin D synthesis;
    • Energy storage (in the form of fat);
    • Sensory perception (touch, pressure, warmth, pain).

    The skins’ strucutre is complex an is divided into three layers: the epidermis, the dermis, and the hypodermis. In addition to these layers are skin appendages: the hair on the head, body hair, sebaceous glands, sweat glands and nails.