Light micrograph of skin epidermis. The epidermis is the outer-most layer of skin. The epidermis has a superficial keratin layer (top-most part of image), underneath which are squamous cells (mid to lower part of image). Part of the dermis can also be seen as a light pink strip at the bottom-most area of this image. Haematoxylin and eosin stained tissue section. Magnification: 600x when printed at 10cm.