Growth of Epidermis / OVERALL PROCESS (KERATINIZATION)

Question 1

Growth of Epidermis

Answer 1

Takes about 30 days for cell to move to top

Question 2

OVERALL PROCESS

Answer 2

(KERATINIZATION)
Purpose:
*Strengthen epidermis
*Enhances permeability control (Slows H2O entry and exit)

Question 3

Change in Location

Answer 3

-Keratinocytes move from the basale upward to the

corneum.

Question 4

Change in Composition

Answer 4

-Keratinocytes become encased in keratin inside

and out.

Question 5

Change in Shape

Answer 5

-Keratinocytes start out cuboidal or columnar but flatten out
to a squamous shape.