Body StructuresThe Eyes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The white (opaque) portion of an eye is called the | sclera.
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| The transparent anterior portion of a sclera is called the | cornea
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| The colored portion of an eye is called the | iris
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| The highly vascular layer of an eye is called the | choroid.
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| The os in the center of an iris is called a | pupil
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| A pupil that decreases in size is called | pupillary constriction.
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| A pupil that increases in size is called | pupillary dilation.
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| The crystalline structure located posterior to each pupil that focuses (accommodates) light on a retina is called the | crystalline lens.
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| The retina is the portion of an eye that | perceives light.
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| Each retina is made up of visual receptor cells called | rods and cones.
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| Each retina is an extension of an | optic nerve.
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| The optic nerves transmit visual impulses to the | thalamus
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| The thalamus relays these impulses to the | occipital lobe for interpretation.
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| The anterior compartment of an eye is filled with liquid called the | aqueous humor.
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| The posterior compartment of an eye is filled with liquid called the | vitreous humor.
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