Chapter 10 (Comparison/Contrast) The epi corium is self-possessed of the outermost layers of the skin. It forms a tutelary barrier over the bodys surface, responsible for computer memory water in the body and preventing pathogens from entering, and is a stratified squamous epilithelium, salve of proliferating basal and differentiated suprabasal keratinocytes. The epi corium also helps the skin stupefy body temperature. The epidermis contains no blood vessels, and cells in the deepest layers be nourished by diffusion from blood capillaries extending to the upper layers of the dermis. The dermis is the layer of skin beneath the epidermis that consists of connective stray and cushions the body from stress and strain. The dermis gives tensile strength and photograph to the skin through an extra cellular matrix unruffled of collagens fibrils, micro fibrils, and elastic fibers, embedded in proteolyses. It harbors many mechanoreceptors (nerve endings) that go out the sense of touch and heat.
It also contains the hair follicles, sweat glands, fat glands, apocrine glands, lymphatic vessels and blood vessels. The blood vessels in the dermis provide nourishment and waste removal from its own cells as well as for the epidermis. The dermis is tightly connected to the epidermis through a basement membrane and is structurally change integrity into two areas: a superficial area adjacent to the epidermis, called the papillary region, and a deep thicker area known as the networklike region. As far as their similarities go there is in truth only one they have in common and that is existence separated by a thin sheet of fibe! rs called the skin.If you inadequacy to get a full essay, order it on our website: OrderCustomPaper.com
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