Integumentary System Functions
protection
hair protects head from sun. nose, ears, eyelashes from foreign bodies entering body. eyebrows from sweat getting into eye.
burn to the epidermis
1st degree
what are the 2 layers of the dermis?
papillary and reticular
moisturizes hair, type of holocrine gland. found all over.
sebaceous gand
what do you get from chickenpox
keloid
how does hair give thermoregulation?
when it stands up it traps a layer of air for insulation
where is the nail body found?
epidermis
burn to epidermis and PART of the dermis?
2nd degree
surrounds medulla
cortex
decubitis ulcer
bed sore
where is the sensory innervation ocated?
root
epidermis is vascular or avascular?
avascular
what gland is found deep in the dermis?
eccrine gland
fors central core of hair, surrounded by cortex?
medulla
form of callus from abrasions of the skin
corn
what smooth muscle causes goosebumps?
arrector pili
what is the nil body made of?
densly packed keratinocytes
vascular or avascular?
vascular
what gland stimulated by hormones and does not appear until after puberty?
sebaceous gand
pressure and rapid growth of the skin
stretch marks
how does hair communicate?
when goosebumps show tells you are scared or cold
what are merkel cells?
touch receptors
burn to epidermis and full dermis?
3rd degree
part of hair nt anchored to follicle?
hair shaft
increased thickness to the skin on prominant areas.
callus