Structure and function of human skin

Skin color differs by race, age, gender and location. It is darker around external genitalia, anus, and areola. The skin is composed of epidermis, dermis, subcutaneous tissue and skin appendages including hair follicles, sebaceous glands, ecrrine glands and apocrine glands, nails. There is no hair on the palms and soles, so called glabrous skin. ................
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