Innervation of skin

Published on 02/03/2015 by admin

Filed under Basic Science

Last modified 02/03/2015

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11 Innervation of skin

From the cutaneous branches of the spinal nerves, innumerable fine twigs enter a dermal nerve plexus located in the base of the dermis. Within the plexus, individual nerve fibers divide and overlap extensively with others before terminating at higher levels of the skin. Because of overlap, the area of anesthesia resulting from injury to a cutaneous nerve (e.g. superficial radial, saphenous) is smaller than its anatomic territory.