Term
| where is aqueous humor made? |
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Definition
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Term
| what sort of neurons project to the EWN in the pupillary light reflex? |
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Definition
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Term
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Definition
| between the lens and the retina |
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Term
| what is the arterial supply to the eye? |
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Definition
|
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Term
| what is the arterial supply of the retina? |
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Definition
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Term
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Definition
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Term
| how much of the optical power of the eye is in the cornea? |
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Definition
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Term
| what does contraction of the cilliary muscle do to the lens? |
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Definition
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Term
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Definition
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Term
| how is hyeropia corrected? |
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Definition
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Term
| myopia is near/far sightedness? |
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Definition
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Term
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Definition
| hyperopia from loss of elasticity in lens |
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Term
| how is the lens dehydrated? |
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Definition
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Term
| how does the cornea get energy to supply the Na/K pump |
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Definition
| glucose from anterior chamber, o2 from the air |
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Term
| how does the lens get E to supply the Na/K pump? |
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Definition
| glucose from aqueous humor, anaerobic metabolism |
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Term
| where is aqueous humor reabsorbed? |
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Definition
| in the anterior chamber thru the spaces of Fontana |
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Term
| where does aqu. humor go after it passes through the space of Fontana? |
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Definition
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Term
| where does aqu. humor go after it passes through the canal of Schlemm? |
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Definition
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Term
| what is found in the outer layer of the retina? |
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Definition
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Term
| what is found in the inner layer of the retina? |
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Definition
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Term
| do photoreceptors use APs? |
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Definition
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Term
| what colors is rhodopsin sensitive to? |
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Definition
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Term
| when are rods most useful? |
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Definition
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Term
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Definition
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Term
| more sensitive to light rods/cones? |
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Definition
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Term
| general fxn of horizontal cells? |
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Definition
| inhibit neighboring photoRs, contribute to concentric fields |
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Term
| general fxn of bipolar cells? |
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Definition
| input from photoR and horiz, excite amacrine and ganglion cells |
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Term
| general fxn of amacrine cells? |
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Definition
| input from bipolar cells, contribute to receptive fields of ganglion cells |
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Term
| what cells activate ganglion cells? |
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Definition
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Term
|
Definition
| transmission along optic nerve |
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Term
| 3 types of ganglion cells |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| what stimulus do W-cells respond to? |
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Definition
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Term
| to where do W-cells project? |
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Definition
| sup coll, pretectal region |
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Term
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Definition
| similar to astros, regulation of ionic/NT environ of retina |
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Term
| what happens when retinal is struck by a photon? |
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Definition
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Term
| all-trans retinal acts like a... |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| what effect does dec. cGMP concentration have in phototransduction? |
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Definition
| cGMP dissociates from Na/Ca channels, closing them |
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Term
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Definition
| in/out Na movement in the photoreceptor |
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Term
| what is the effect of the closing of the Ca channel in phototransduction? |
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Definition
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Term
| glutamate is inhibitory to hor/bip cells in... |
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Definition
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|
Term
| glu is excitatory to hor/bip cells in... |
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Definition
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Term
| are Y cells good at color discrim? |
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Definition
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Term
| what are Y cells not good at color discrim? |
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Definition
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Term
| Y cells: large/small fields? |
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Definition
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Term
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Definition
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Term
| what are Y cells sensitive to? |
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Definition
|
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Term
| how many types of cones are X cells sensitive to? |
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Definition
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Term
| discuss X cells as they related to on-center fields |
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Definition
| ex/inhib reversed with two colors |
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Term
| X cells: small/large fields? |
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Definition
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Term
| to where to X cells project? |
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Definition
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Term
| what surrounds the optic nerves? |
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Definition
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Term
| what part of the retina decussates at the chiasm? |
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Definition
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|
Term
| what part of the retina remains uncrossed at the chiasm? |
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Definition
|
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Term
| why do some optic fibers project to the suprachiasmatic n? |
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Definition
|
|
Term
| how are fibers in the optic tract oriented? |
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Definition
| similar visual fields are close to each other |
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Term
| in which tract is the right visual field? |
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Definition
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|
Term
| which layers in the LG recieve ipsilat input? |
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Definition
|
|
Term
| which layers in the LG recieve contralat input? |
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Definition
|
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Term
| what part of the LG is the parvocellular region? |
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Definition
|
|
Term
| what part of the LG is the magnocellular region? |
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Definition
|
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Term
| which part of the LG is involved in depth and contrast? |
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Definition
|
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Term
| how does the lower visual field get from the LG to 17? |
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Definition
| courses over the lateral vent |
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Term
| how does the upper visual field get from the LG to 17? |
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Definition
| around inferior horn of lat vent |
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Term
| upper visual field on bottom/top of CalcSulc? |
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Definition
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Term
| where is the left visual field in the cortex? |
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Definition
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Term
| macula terminates on post/ant occipital lobe? |
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Definition
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Term
| what is the fxn of the "dorsal stream" of visual processing? |
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Definition
|
|
Term
| what is the fxn of the "ventral stream" of visual processing? |
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Definition
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