Plate 11
|
PLATE NUMBER |
STAGE |
TIME |
ORIENTATION |
IMAGE |
|
11 |
First cleavage Embryo stage 2- |
1 h 15 min p.f. |
Animal Lateral Vegetal |
Animal-vegetal section |
Lateral
Early First Cleavage
The cleavage furrow is created by the animal plasma membrane and the adjacent cortex. The larger vesicle in the furrow is the blastocoel anlage. The vesicles at the tip of the furrow have a primary role in the formation of the plasma membrane.