chapter 4 : The Integumentary System

Helpfulness: 0
Set Details Share
created 8 years ago by gotstyo
189 views
Subjects:
anatomy
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

functions of the skin

protection against uv
excretion of products,
helps regulate body temp
secretion

2

the integumentary system consist of

cutaneous membrane, epidermis, dermis , subcutaneous, accessory structures, hair follicles, nails and exocrine glands.

3

keratinocytes

most abundant epithelial cells

4

melanocytes

pigment producing cells

5

merkel cells

detects sensation

6

langerhans cells

phagocyotic cells of the immune system

7

the epidermis is a

stratified squamous epithelium

8

layers of the epidermis

stratum corneum
stratum lucidum(thick)
stratum granulosum
stratum spinosum
stratum basale

9

dermal papillae

finger prints

10

epidermal ridges

provides gripping ability and sensitivity.

11

carotene

yellow

12

melanin

brown

13

two layers compose the dermis

papillary
reticular

14

subcutaneous or hypodermis

or superficial fascia

15

hair orginates from

hair follicles, which extends into the dermis

16

each hair has a

bulb, root and shaft

17

medulla

center of the matrix

18

cuticle

hard layer of dead keratinized cells that coats the hair

19

sebaceous glands

secretes oily secretion called sebum

20

skin burn is caused by

heat,shock, radiation, uv, chemicals