Intergumentary System Flashcards
purpose of intergumentary system
temperature regulation, waste removal, sensory info. and protection
largest organ of the body
skin
absorbs radiation from the sun that maybe harmful
reduces loss of heat
filters out dust and dirt
sensitive to movement
hair function
protects tips of fingers
helps pick up small objects
enhances sensation of the finger by acting as counterforce
nails
outermost layer of skin
epidermis
what cells of epidermis are its layers made of
epithelial cells
properties of outermost layer
flattened, dead and keratin-filled
pigment that absorbs UV radiation
melanin
layers of epidermis
keratin
melanocytes
tough, flexible protein; found in hair and fingernails
keratin
cells that produce melanin
melanocytes
supports epidermis. Contains nerve endings, blood vessel, and smooth muscles
dermis
types of glands
sweat glands
sebaceous glands
controlled by nervous system
sweat glands
produce oily secretions that help keep the epidermis flexible and waterproof
sebaceous glands
