chapter 4 Flashcards
(166 cards)
epidermis
outer layer of skin
keratin
Horny, cornified, layer composed of protein
Contained in hair, skin, nails
Gives skin waterproof quality, keeping moisture both in and out
melanin
color, pigmentation of the skin
dermis
inner layer of skin (true skin)
sudoriferous (sweat) glands
tiny, coiled, tubular structures that emerge through pores on the skins surface & secrete sweat
sebaceous glands
secrete sebum (oil) into the hair follicles where the hair shafts pass through the dermis
hair
compressed, keratinized cells that arise from hair follicles, the sacs that enclose the hair fibers
nails
Originate in the epidermis
Found on the upper surface of the ends of the fingers and toes
White area at the base is lunula, moon
cutane/o, derm/o, dermat/o
skin
hidr/o
sweat
kerat/o
horny tissue, hard
onych/o, unug/o
nail
seb/o
sebum (oil)
trich/o
hair
aut/o
self
heter/o
other
bi/o
life
necr/o
death (cells, body)
coni/o
dust
crypt/o
hidden
myc/o
fungus
pachy/o
thick
rhytid/o
wrinkles
staphyl/o
grapelike clusters