epidermis and dermis Flashcards
1
Q
what are the two layers of the epidermis
A
stratum germinativum
stratum corneum
2
Q
stratum germinativum
A
innermost layer undergo mitosis/reproduce moves upwards cytoplasm replaced by keratin produces melanin
3
Q
stratum corneum
A
tough outer layer
4
Q
dermis
A
connective tissue
elastic fibers decrease over time
5
Q
dermal papillae
A
piglike projection
dermal/epidermal junction
form fingerprints
6
Q
hair parts
A
follicles
hair papilla / growth
arrector pili
7
Q
arrector pili
A
involuntary muscle
contract, hair sticks up
goose bumps
8
Q
receptors in skin
A
sense organ in the skin (touch pressure pain temp)
9
Q
nails
A
produced by cells in epidermis
filled with keratin
10
Q
sudorferous (sweat) glands 3 types
A
eccrine
apocrine
sebaceous
11
Q
eccrine glands
A
total body surface
SWEAT
12
Q
appocrine glands
A
armpit and genitals
thicker secretion
odor
SWEAT
13
Q
sebaceous
A
hair and skin
sebum, moistuization
pimples
OIL
