Relating to or belonging to the epidermis, the outermost layer of skin.
From epiderm or epidermis plus the adjective suffix '-al,' creating the standard adjectival form used in medical and biological contexts to describe anything pertaining to the outer skin layer.
Epidermal cells are incredibly specialized—some detect touch, some produce melanin for color, and some are constantly dividing to replace the dead ones you're shedding, all working together like a microscopic factory!
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