Integumentary System Flashcards
1
Q
functions of skin
A
thermoregulation, protection, sensing
2
Q
what is skin made of
A
keratinized stratified squamous cells
3
Q
three general layers of skin
A
epidermis, dermis, hypodermis
4
Q
thin skin
A
hairy, only 4 layers of epidermis
5
Q
thick skin
A
nonhairy, 5 layers of epidermis
6
Q
layers of epidermis
A
stratum corneum, lucidum (thick skin only), granulosum, spinosum, basale
7
Q
corneum
A
top layer of dead cells
8
Q
lucidum
A
only in thick skin, more dead cells, thickened layer
9
Q
granulosum
A
adult cells, filling with keratin
10
Q
spinosum
A
baby cells, maturing
11
Q
basale
A
parent cells
12
Q
Integumentary cells
A
keratinocytes, stem cells, melanocytes, langerhans cells, merkel cells
13
Q
keratinocytes
A
produce keratin, epidermis, stratum spinosum
14
Q
stem cells
A
produce new skin cells, basale
15
Q
melanocytes
A
produce melanin, spinosum
