![]() ![]() Sensory Nerves - These are the nerves that innervate the epidermis.It is these sensory nerves that are helpful when evaluating a skin biopsy. It contains sensory nerves specifically small diameter sensitive temperature fibers. It produces cells that will eventually become stratum corneum cells. Epidermis - The epidermis is the next layer under the stratum corneum. ![]() The stratum corneum is useful for diagnosis because in some conditions the stratum corneum will become thinner than normal. It functions to protect the living cells beneath by providing a hard barrier between the outside world and the delicate cells inside. Stratum Corneum - This is the dead skin layer that is visible when you look at your skin.Each hair follicle (in the hairy parts of the skin) is attached to a muscle, the arrector pili (see Arrector Pili for more information). In some places, hair serves as a filter (such as in the nose and ears), a moisture and heat retention mechanism (such as the armpits and genital region), and in the middle ear it serves as a mechanism for regulating balance. On most locations of the body, hair offers a protective covering, which regenerates on a regular basis. Hair - Hair serves a protective role in the skin.Each component of the skin plays a role in its daily function, therefore every component is a source of vital information that can be captured and assessed with a skin biopsy.īelow are a few of the basic components of skin followed by a brief description their functions. A basic understanding of skin anatomy is important when explaining the process of skin biopsy.
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