A&P - Chapter 10 (Part 1) Flashcards
What type of membrane does the skin have?
Cutaneous
- integument
What are the 2 primary layers of the skin?
- Epidermis
2. Dermis
What is the supporting layer of the skin?
Hypodermis
How much does thin skin cover?
Most of the body
How thick is thin skin?
1-3mm
Where do you find thick skin? (2)
- Soles
2. Palms
How thick is thick skin?
4-5mm
What kind of texture does thin skin have? (2)
- Smooth
2. Has hair
What kind of texture does thick skin have? (2)
- Ridged
2. No hair
Epidermis
Is the outermost and thinnest primary layer of skin
What are the types of cells that compose the epidermis? (4)
- Keratinocytes
- Melanocytes
- Epidermal dendrite cells
- Tactile epithelial cells
What percent of epidermis cells are keratinocytes?
90%
Where are keratinocytes located?
Outer skin
What does keratinocytes do?
They are water proof
- water-proofing
What percent of epidermis cells are melanocytes?
5%