Lecture 9

Question 1

development of eye- the optic vesicle grows out of the _______ while the lens develops from the

Answer 1

diencephalon, epidermis

Question 2

The inner layer of the optic cup becomes the

Answer 2

retina

Question 3

The outer layer of the optic cup becomes the

Answer 3

pigmented epithelium

Question 4

The diencephalon gets a very prominent out-pocketing on each side in early development. These develop into

Answer 4

optic vesicles to form eyes

Question 5

The optic vesicles grow to the ectoderm, then invaginate to form the

Answer 5

optic cup

Question 6

The surface ectoderm above the optic cup invaginates and pinches off to lie at the entrance to the cup. This becomes

Answer 6

the lens.

Question 7

outer surface of optic cup forms the

Answer 7

pigmented retina

Question 8

inner surface of optic cup forms

Answer 8

photo receptors, neurons, and epithelial iris

Question 9

The dorsal lip of blastopore

Answer 9

Spemann Organizer

Question 10

The Spemann Organizer inhibits cells from becoming

Answer 10

epidermis, therefore the default structure is neural tissue.