chapter 5

Question 1

3 skins

Answer 1

epidermis
dermis
hyperdermis

Question 2

epidermis

Answer 2

(A-vascular) (no blood vessels) karatonized, stratified, squamous, epithelium
all in one all tissues.. the cells are karatinocyte, melinocye, langerhans, mercels

Question 3

dermis

Answer 3

(vascular) (does have blood) areolar CT papillary layer, iregularDWFCT, reticular layer all are tissues
cells are fibroblasts

Question 4

hypodermis

Answer 4

adipose are the tissue and the cells and idiposcytes

Question 5

sebaceous glands “oil glands”

Answer 5

makes sebum (earwax)=oil hydrophobic
FXN: “lubricates” keratin and also maintains skin/hair

Question 6

suDIFerous glands

Answer 6

2 types
1. apocrine
2. eccrine
fxn: temperature control

Question 7

makes keratin and dies (like a bee). very HYDROPHOBIC protein.

Answer 7

keratinocyte

Question 8

make melanin, pigments/darkens skin + absorbs UV light

Answer 8

melanocyte

Question 9

fights infection

Answer 9

langerhans cells
(biological protection)

Question 10

nervous fxn closely associated with meissners compsites

Answer 10

merkel cells

Question 11

Corneum(dead)
Lucidum(dead)
Granulosa(alive)
Spinosum(alive)
Basale(alive)

Answer 11

layers of karatinized skin

Question 12

yellow color on skin

Answer 12

jaundice

Question 13

bluish color to nail beds and skin

Answer 13

cyanosis

Question 14

redness of skin

Answer 14

erythema

Question 15

hair

Answer 15

specialized keratinocytes
fxn: protection+ nervous/sensory

Question 16

modified eccrine sweat glands that make cerum (earwax)

Answer 16

ceruminous glands