POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Human skin. Coloured scanning electron micrograph (SEM) of the surface layer of the human skin, the epidermis. The outer layer of the epidermis (the stratum corneum) is a tough coating formed from overlapping layers of dead skin cells, which are continually sloughed off and replaced with cells from the living layers beneath. The skin is the largest organ in the body. It protects the body from injury and dehydration, and assists in the regulation of body temperature. Magnification: x1840 at 6x7cm size.
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