What is the epidermis?

Asked on 27.11.2018 in All Questions.
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The epidermis is avascular which means it contains no blood vessels or lymphatic. Consequently, nourishment is provided through the vessels of the underlying dermis, making the epidermis entirely dependent on the underlying dermis for nutrient delivery and waste disposal via diffusion through the dermo-epidermal junction. There are further layers within the epidermis which include; the stratum germinativum, stratum spinosum, stratum granulosum, and stratum corneum. The cells found residing within these layers have distinct roles and...
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