Growth of Epidermis / Step 3:KERATIN SYNTHESIS BEGINS IN STRATUM GRANULOSUM Flashcards
1
Q
KERATIN SYNTHESIS BEGINS IN STRATUM GRANULOSUM
A
2-5 cells thick
Grainy Layer
2
Q
Production of Keratohyalin granules
A
1st step in making keratin
*This substance gives the cells a grainy
appearance, and is thus the reason behind the
stratum name
3
Q
Production of Lamellated granules
A
Water proof coating on cells prevents blood from reaching the higher layers.
4
Q
Breakdown of Cell Contents
A
The nucleus and other cell organelles begin to
disintegrate
(cells begin to die)
5
Q
Changes in Cell Shape
A
The cell begins to become thinner and flatter
cells begin to die
