Embryology

Question 1

Order of lens creation

Answer 1

Lens placed–>lens pit–>lens vesicle

Question 2

What does mesoderm form

Answer 2

Muscles and mesynchyme

Question 3

What does mesenchyme form

Answer 3

CT=BV and bone

Question 4

What does surface ectoderm form

Answer 4

Lens, epithelium of cornea, and tear sturctures

Question 5

What does endoderm form in eye

Answer 5

NOTHING

Question 6

What does neural ectoderm form

Answer 6

RPE, sensory retina, neural crests, muscles of eyes

Question 7

What happens is fetal fissure does not close?

Answer 7

Coloboma. Most commonly inferior.

Question 8

Which part of lens has Y sutures

Answer 8

Fetal.

Question 9

Order of formation of layers in retina

Answer 9

RPE, Give, Her, CAB, Ride, Man. RPE, ganglion, horizitonal, cones, amacrine, bipolar, rods, muller.

Question 10

What does the neural crest form

Answer 10

Basically everything else. Other layers of the cornea, clear, TM, choroid,

Question 11

Continuation of Posterior Pigmented Iris epithelim

Answer 11

PPIE–>NPCE–>Sensory retina

Question 12

Continuation of Anterior Pigmented Iris epithelium

Answer 12

APIE–>PCE–>RPE