Section of Epidermis (Skin)
Section of skin showing two papillae and deeper layers of epidermis. The papillae contain blood vessels as well as the termination of nerve fibers in the shape of little bodies called tactile corpuscles. The papillae seem chiefly to exist for the purpose of giving the skin its sense of touch. Labels: a, vascular papilla, with capillary loop passing from subjacent vessel, c; b, nerve-papilla, containing tactile corpuscle, t; d, nerve passing up to tactile body; f, f, section of spirally winding nerve fibers.