integumentary system Flashcards
functions
protection, maintenance of body temp, sweating,and perception of stimuli and tactile
epidermis
outermost layer of the skin
upper layer id squamose epithelium
basal layer is the deepest layer and is constantly growing
dermis
contains blood vessels, nerve fibers, hair follicles, sebasous glands (oil) and sudiforious glands (sweat)
subcutaneous
stores fat
provides heat insulation and protection
glands
sebaceous (secrets and produces oil)
sweat glands
hair
hair shaft and arrector pill muscle
first degree burns
redness of increased sensitivity
second degree burns
has blisters
third degree burns
destroys epidermis and dermis not painful because tissue is damaged
cicatrix
a scar left by a healed wound
keloid
abnormally thick scar
tinea
skin infection caused by fungus
wart
also called(verruca) hardened area of the skin caused by virus
urticaria
hives with itching swelling and redness