Skin Flashcards
1
Q
What are the 3 layers of skin called?
A
Epidermis (top), Dermis (middle), Hypodermis.
2
Q
How many layers of the Epidermis is there?
A
- Aren’t sharply defined.
3
Q
Why is keratinised epithelium important?
A
It is an outer layer of skin cells that has become hardened and died. It protects the tissues underneath by preventing certain substances passing in and out.
4
Q
What is Keratohyalin converted to?
A
Keratin.
5
Q
What is the Stratum Granulosum defined by?
A
The presence of Keratohyalin granules.
6
Q
What are the two layers of the Dermis?
A
The papillary layer and the Reticular Layer.
7
Q
What does the papillary layer contain?
A
Nerve endings, Blood vessels, loose connective tissue, cells e.g macrophages.