objectives for test
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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| PHOTORECEPTORS= | detect changes in light
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| RETINA= | contain photoreceptors/innermost layer of eyeball
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| CHOROIDS= | middle layer of eye,great blood supply
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| SCLERA= | white of eye,continues as dura matter
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| FOVEA CETALIS= | contains all cones
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| MACULSA LUTEA= | contains fovea centralis,contains mosly cones
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| LACRIMAL GLAND= | superior-lateral side of eye,produces tears
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| IRIS= | colored part of eye
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| LENS= | changes shape,(rounder bulges) light waves bend @ a sharper image
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| PUPIL= | hole in the middle of iris,where light enters the eye
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| AQUEOUS HUMOR= | fluid in the anterior cavity,between the lens and cornea
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| VITREOUS HUMOR= | fluid in posterior cavity,helps keep shape of the eyeball(between the lens and retina)
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| CORNEA= | avascular,no blood supply,continues w/sclera/most anterior part of cornea
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| CILLARY= | intrinsic eye muscles
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| CONJUNCTIVA= | membrane that covers outside of eyeball-except the cornea(pink-eye)
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| CATARACT= | clouding of the lens
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| RESTING AND DIGESTING OF ANS SYSTEM= | parasympathetic
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| FIGHT OR FLIGHT SYSTEM OF ANS= | sypathetic
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| CERUMEN= | ear wax
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| CLAUCOMA= | increases pressure in the eye (aqueous humor does not drain)
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| REFRACTION= | bending of light waves
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| BLIND SPOT= | optic disc (where the opti nerve leaves the eyeball)
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| MYOPIA= | nearsightedness(focus in front of the retina)
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| HYPEROPIA= | farsightedness(focus in back of retina)
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| ASTIGMATISM= | cornea is misshaped
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| ORGAN OF CORTI= | receptors for hearing
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| MYDRIASIS= | sympathetic stimulation
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| OPTIC DISC= | blind spot,no rods or cones(optic nerve meets the eyeball)
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Created by:
T..Doyle
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