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z eye devo
David Harrington
23
Biology
Professional
12/14/2009

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Term
neuroectoderm --> (3)
Definition
posterior iris
retina
optic nerve
Term
surface ectoderm --> (2)
Definition
lens and cornea epithelium
Term
mesoderm --> (2)
Definition
fibrous and vascular coats of the eye
Term
choroid, sclera, and corneal epithelium come from (2)
Definition
mesoderm & neural crest cells
Term
four embryonic precursors of the eyes
Definition
neuroectoderm, surface ectoderm, mesoderm, and neural crest cells
Term
eye devo first sign _ _ appear on day _
Definition
optic grooves
22
Term
optic grooves _ to form optic _
Definition
evaginate
vesicles
Term
growth of the optic vesicles creates optic _
Definition
stalks
Term
lens placode is induced how? (2)
Definition
when optic vesicles contact surface ectoderm
Term
lens placode invaginates --> _ -->
Definition
lens pit --> lens vesicle
Term
as the lens forms, the optic vesicle _ to form _ _ _ _
Definition
invaginates
double walled optic cups
Term
optic cups:
outer layer -->
inner layer -->
Definition
pigmented retina
neural retina
Term
_ _ forms along the optic stalk to allow _ artery
Definition
embryonic fissure
hyaloid artery
Term
hyaloid artery supplies _ _ & _
Definition
optic cup
developing lens
Term
_ _ & ~ form the optic nerve
Definition
optic stalk
ganglion cells of neural retina
Term
optic nerve is really a tract of _
Definition
diencephalon
Term
optic nerve is completely myelinated when?
Definition
3 months after birth
Term
neural retina arises because _ induces _ _
Definition
lens
inner layer of optic cup
Term
outer layer of optic cup is said to be outer because
Definition
it's like the outer concentric circle
Term
photoreceptors are adjacent to _ _ and the ganglion cells are closer to the _
Definition
pigment epithelium
lens
Term
light must pass through .... to reach the photoreceptors
Definition
all the layers of the neural retina
Term
inner layer of optic cup is divided: posterior 4/5 & anterior 1/5
Definition
pars optica retinae
pars ceca retinae
Term
anterior 1/5 of inner layer of retina becomes (2)
Definition
inner layer of iris
part of ciliary body
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