Layers
layer of the epidermis just above the stratum germinativum
Stratum spinosum
type of melanin that is red to yellow in color
pheomelanin
top of the papillary layer where it joins the epidermis
Dermal epidermal junction
glands connected to hair follicles; secrete sebum
Sebaceous glands
fibers that are distributed to the arrector pili muscles
Motor nerve fibers
layer of the epidermis composed of cells filled with keratin
Stratum granulosum
tiny grains of pigment produced by melanocytes
melanin
tissue found below the dermis that gives contour to the body
Subcutaneous tissue
excrete perspiration and detoxify the body
Sudoriferous glands
small epidermal structures sensitive to touch and pressure
Tactile corpuscles
consists of subcutaneous tissue located beneath the dermis
Subcutaneous layer
type of melanin that is dark brown to black in color
eumelanin
fibrous protein of cells; component of skin, hair and nails
keratin
fatty or oily secretion that lubricates the skin
sebum
fibers that react to heat, cold, touch, pressure, and pain
Sensory nerve fibers
transparent layer of the epidermis under the stratum corneum
Stratum lucidum
cells that produce the dark skin pigment called melanin
melanocytes
protein base similar to collagen that forms elastic tissue
elastin
coiled base of the sudoriferous gland
Secretory coil
regulate the excretion of perspiration from the sweat glands
Secretory nerve fibers
deepest, live layer of the epidermis that produces skin cells
Stratum germinativum
medical branch of science that deals with the study of skin
dermatology
fibrous, connective tissue made from protein
collagen
small, involuntary muscles in the base of the hair follicle
Arrector pili muscles
physician who specializes in skin, hair, and nails
dermatologist