Exercise 11 Flashcards
0
Q
Define Epidermis??
A
Outer layer of Integument. Consists of 4- 5 Strata. Made of Stratified Squamous Epithelium.
1
Q
Define the Integumentary System?
A
Most visible organ system. The skin. Protective barrier against abrasion and evaporative water loss. When exposed to sunlight, manufactures vitamin D3.
2
Q
Define Stratum Lucidum??
A
In epidermis. Extra layer found in thick skin of feet and hands.
3
Q
Define Keratinocytes??
A
Cells that make up about 90% of Epidermis. 15-30 days to migrate to surface. Synthesize and accumulate keratin, thus forming surface the die.