The Skin & Its Definitions
A. melanocyte: an epidermal cell that produces melaninB. muscle: a body tissue consisting of long cells that contract when stimulated and produce motion
C. sebaceous gland: any of the small sacculated glands lodged in the substance of the derma, usu. opening into the hair follicles, and secreting an oily or greasy material composed in great part of fat which softens and lubricates the hair and skin
D. hair shaft: the part of a hair projecting beyond the skin
E. epidermis: the outer epithelial layer of the external integument of the animal body that is derived from the embryonic epiblast; specif : the outer nonsensitive and nonvascular layer of the skin that overlies the dermis
F. dermis: the sensitive vascular inner mesodermic layer of the skin -- called also corium, cutis
G. subcutaneous tissue: of or pertaining to tissue being, living, or made under the top layers of skin
H. fat: animal tissue consisting chiefly of cells distended with greasy or oily matter
I. arterial blood vessel: any of the vessels through which bright red, oxygenated blood coming back from the lungs circulates in the body .
J. sweat gland: a simple tubular gland of the skin that secretes perspiration and in humans is widely distributed in nearly all parts of the skin -- called also sudoriferous gland
K. hair follicle: the tubular epithelial sheath that surrounds the lower part of the hair shaft and encloses at the bottom a vascular papilla supplying the growing basal part of the hair with nourishment
L. Pacinian corpuscle: an oval capsule that terminates some sensory nerve fibers esp. in the skin of the hands and feet
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