Skin Flashcards
1. Describe the layers of the thick skin and thin skin. 2. Describe the characteristic features of the cellular component of the skin and basement membrane, their respective functions and clinical conditions.
1
Q
Where does thick skin occurs?
A
Occurs in palms, soles and finger tips
2
Q
What is prominent in thick skin?
A
Stratum lucidum is prominent.
3
Q
Describe the thick skin
A
- thick stratum corneum (top most layer)
- dermis is thin
- lacks of hair follicles, sebaceous glands or arrector pili muscles
4
Q
Where does thin skin occur?
A
Occurs everywhere on body except palms and soles.
5
Q
Where does the thinnest thin skin found?
A
Found in scalp and lips
6
Q
Describe thin skin
A
- stratum lucidum is not very prominent
- thin stratum corneum
- thick dermis
- has hair follicles, sebaceous glands and arrector pili muscles
7
Q
What is the largest organ?
A
Skin
8
Q
Which tissue is most abundant in the body?
A
Connective tissue
9
Q
How many percentage does skin contribute to the total body mass?
A
15 - 20%
10
Q
What are the layers of skin?
A
- epidermis
- dermis
- hypodermis
11
Q
What are the skin appendages?
A
- hair
- nails
- mammary glands
- sebaceous glands
- sweat glands
12
Q
Epidermis originates from?
A
Ectodermal origin
13
Q
Epidermis is composed of?
A
Stratified squamous keratinized epithelium
14
Q
Dermis originates from?
A
Mesodermal origin
15
Q
Dermis composed of?
A
Dense and loose connective tissue
