Microscopic Anatomy of the Skin

Question 1

What layer do keratinocytes lose their nucleus?

Answer 1

Stratum corneum

Question 2

Langerhans cell found in what layer

Answer 2

Spinous layer

Question 3

2 zones of the dermis

Answer 3

Papillary (superficial - finely woven collagen and elastin fibers)
Reticular (thick bundles of collagen and elastin)

Question 4

3 parts of the hair follicle

Answer 4

Infundibulum (from opening of hair follicle to opening of sebaceous duct)
Isthmus (between sebaceous duct and insertion of arrector pili)
Inferior segment (extends to base of follicle)

Question 5

Major role of eccrine glands

Answer 5

Thermoregulation