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chapter 12 & 13
objectives for test
| Question | Answer |
|---|---|
| PHOTORECEPTORS= | detect changes in light |
| RETINA= | contain photoreceptors/innermost layer of eyeball |
| CHOROIDS= | middle layer of eye,great blood supply |
| SCLERA= | white of eye,continues as dura matter |
| FOVEA CETALIS= | contains all cones |
| MACULSA LUTEA= | contains fovea centralis,contains mosly cones |
| LACRIMAL GLAND= | superior-lateral side of eye,produces tears |
| IRIS= | colored part of eye |
| LENS= | changes shape,(rounder bulges) light waves bend @ a sharper image |
| PUPIL= | hole in the middle of iris,where light enters the eye |
| AQUEOUS HUMOR= | fluid in the anterior cavity,between the lens and cornea |
| VITREOUS HUMOR= | fluid in posterior cavity,helps keep shape of the eyeball(between the lens and retina) |
| CORNEA= | avascular,no blood supply,continues w/sclera/most anterior part of cornea |
| CILLARY= | intrinsic eye muscles |
| CONJUNCTIVA= | membrane that covers outside of eyeball-except the cornea(pink-eye) |
| CATARACT= | clouding of the lens |
| RESTING AND DIGESTING OF ANS SYSTEM= | parasympathetic |
| FIGHT OR FLIGHT SYSTEM OF ANS= | sypathetic |
| CERUMEN= | ear wax |
| CLAUCOMA= | increases pressure in the eye (aqueous humor does not drain) |
| REFRACTION= | bending of light waves |
| BLIND SPOT= | optic disc (where the opti nerve leaves the eyeball) |
| MYOPIA= | nearsightedness(focus in front of the retina) |
| HYPEROPIA= | farsightedness(focus in back of retina) |
| ASTIGMATISM= | cornea is misshaped |
| ORGAN OF CORTI= | receptors for hearing |
| MYDRIASIS= | sympathetic stimulation |
| OPTIC DISC= | blind spot,no rods or cones(optic nerve meets the eyeball) |
Created by:
T..Doyle
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