ABSTRACT

I. STRUCTURE AND FUNCTION OF NORMAL SKIN A. Functions Skin is the largest organ in the body. The bilayer organ is composed of an outer thin epidermis attached to a thicker dermis at the dermal-epidermal junction. The average thickness of the bilayer is 1 to 2 mm. This bilayer, especially the dermal component, is considerably thinner in infants and the elderly, being underdeveloped in infants and atrophic in the elderly.