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27 Cards in this Set
- Front
- Back
- 3rd side (hint)
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posterior chamber |
rear cavity filled with vitreous humor; maintains the shape of the eye |
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ora serrata |
serrated boundary between the ciliary muscle and the retina |
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ciliary body |
ring of tissue encircling the lens |
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ciliary zonules |
ligaments connecting the ciliary body to the lens |
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canal of Schlemm |
canal encircling the eye that returns aqueous humor to the blood |
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pupil |
round central opening of the eye that controls the amount of light entering |
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anterior chamber |
front cavity filled with aqueous humor; refracts light onto the retina |
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cornea |
transparent front part of the eyeball |
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iris |
colored portion of the eye that controls pupil size |
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lens |
flexible structure that changes shape to focus light on the retina |
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ciliary processes |
posterior folds of the ciliary body that secrete aqueous humor |
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conjunctiva |
mucous membrane lining the eyelids and the anterior portion of the sclera |
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inferior oblique muscle |
bottom muscle that elevates and turns eye laterally; oculomotor |
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inferior rectus muscle |
muscle that turns the eye down and medially; oculomotor |
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medial rectus muscle |
muscle that turns the eye medially; oculomotor |
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optic disc |
blind spot where the optic nerve leaves the eye |
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dura mater |
outer layer of the meninges continuous with the sclera |
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optic nerve (II) |
the nerve that carries neural impulses from the eye to the brain |
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macula lutea |
posterior center of the retina with a high concentration of cones (clear, detailed vision) |
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fovea centralis |
center of the macula lutea; highest concentration of cones |
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sclera |
white part forming the outer covering of the eye (with the cornea) |
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choroid |
highly vascular membrane between the retina and the sclera that provides oxygen and nourishment to the eye |
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superior rectus muscle |
muscle that turns the eyeball upward and medially; oculomotor |
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retina |
the light-sensitive inner surface of the back of the eye; contains rods and cones |
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fibrous tunic |
1. sclera 2. cornea |
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vascular tunic |
1. choroid 2. ciliary body 3. iris |
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sensory tunic |
1. retina 2. optic nerve |