Dermal papillae

From Wikipedia, the free encyclopedia

Dermal papillae
Dermal papilla labeled at top
Papilla of the hand, treated with acetic acid. Magnified 350 times.

A. Side view of a papilla of the hand.
a. Cortical layer.
b. Tactile corpuscle.
c. Small nerve of the papilla, with neurolemma.
d. Its two nervous fibers running with spiral coils around the tactile corpuscle.
e. Apparent termination of one of these fibers.

B. A tactile papilla seen from above so as to show its transverse section.
a. Cortical layer.
b. Nerve fiber.
c. Outer layer of the tactile body, with nuclei.
d. Clear interior substance.
Latin papillae dermis
Dorlands/Elsevier p_03/12610332

The dermal papilla are extensions of the dermis into the epidermis. They sometimes can be perceived at the surface of the skin.

[edit] See also

[edit] External links