Anatomy and Physiology of the Skin

    January 2022
    Michelangelo Vestita, Pasquale Tedeschi, Domenico Bonamonte
    TLDR The skin is essential for protection, temperature control, and immune defense.
    The document provided an overview of the anatomy and physiology of human skin, highlighting its complex structure and diverse functions. The skin consists of a stratified epidermis, a dermis, and a subcutaneous fat layer. The epidermis contains various cell types, including melanocytes, which contribute to skin pigmentation. The skin adnexa, such as glands and pilosebaceous units, play roles in reepithelialization. Hair growth is cyclic and serves protective and sociobehavioral functions, while nails assist in object manipulation and fingertip protection. The dermis is primarily composed of collagen and elastic fibers, contributing to skin strength and elasticity. Subcutaneous tissue acts as an energy reserve and endocrine organ. Overall, the skin is vital for thermoregulation, immune response, and UV protection.
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