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Neuro 13.txt
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What are the connections of the cornea?
Cornea - Sclera - dura lining
What are the lining of the eye starting with the cornea moving back and in?
Cornea - Sclera - Choroid - Retina
What is Miosis? innervatien and muscle?
decrease in pupillary size
Innervation:
Postganglionic PS
Muscle:
pupillary sphinctor
What is
mydriasis?
innervation? muscle?
dilation of pupil
innervation:
Postganglionic SS
muscle
: pupillary dilator muscle
What 3 eye parts make up the
Uvea
?
Iris
Ciliary body
Choroid
What is
Presbyopia
?
Lack of ability to focus on close objects
What muscular changes take place in the eye to see far away items?
1) Ciliary muscles relax
2) suspensory ligaments contract
3) Lens flattens out
What muscular changes take place in the eye to see close items?
1) Ciliary muscles contract
2) Suspensory ligaments relax
3) Lens rounds out
What is the function of horizontal and amacrine cells?
horizontal
: respond to change
amacrine
: respond to change in change
What provides blood to the photoreceptors?
Choroid branches
What causes a
detached retina
?
separation of pigment epithelium and photoreceptors
What chemical hyperpolarizes Rods?
Rhodopsin
What chemical hyperpolarizes cones?
Cone opsin
On-center bi-polar cells
must synapse with
on-center ganglion cells
Author
kepling
ID
74789
Card Set
Neuro 13.txt
Description
Neuro 13
Updated
2011-03-23T20:24:26Z
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