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Eye
Vocabulary
12
Biology
9th Grade
05/19/2010

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Cards

Term
aqueous humor
Definition
clear fluid in the anterior chamber of eye between the cornea and iris
Term
retina
Definition
inner layer of eye that contains photoreceptors
Term
optic nerve
Definition
short, thick nerve pathway that contains nerve fibers
Term
blood vessels
Definition
vessels which carry blood throughout the eye
Term
lens
Definition
disk located behind iris that changes shape to help focus the eye
Term
sclera
Definition
outer layer of the wall of the eye "white of the eye" which perserves the shape of the eyeball and protects inner parts
Term
vitreous humor
Definition
a transparent, jellylike substance within the center of the eyeball
Term
cornea
Definition
transparent, protective covering
Term
pupil
Definition
black hole in the center of the iris where light enters the eye
Term
fovea
Definition
sight of sharpest vision
Term
iris
Definition
controls amount of light entering eye which consists of tiny muscles
Term
choroid
Definition
middle layer of the wall of the eye; contains many blood vessels which results in a deep color that prevents reflecting of light inside the eye
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