Epidermis
outermost layer of skin
The epidermis is the outermost layer of the skin, composed of epithelial tissue. It is the top layer of the skin and provides a barrier between the internal organs and the external environment. The epidermis contains multiple layers of cells, each of which has a specific function. Its outermost layer, the stratum corneum, is composed of dead skin cells that protect the skin from external factors, such as bacteria, UV radiation, and dehydration. The epidermis also contains melanocytes, which produce the pigment melanin that gives color to the skin and protects against UV radiation. The skin cells in the epidermis regenerate continuously, with the top layer being sloughed off and replaced by new skin cells from the lower layers. Maintaining healthy epidermal tissue is important for overall skin health and protection against external factors. Proper skincare practices, such as regular cleansing, moisturizing, and sun protection, can help keep the epidermis healthy and functioning.
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