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Chapter 5
The eye
| Term | Definition |
|---|---|
| aqua/o | water |
| blephar/o | eyelid |
| corne/o | cornea |
| cycl/o | circle, ciliary body |
| dacry/o | tear |
| ir/o | iris, colored part of the eye |
| irid/o | iris |
| kerat/o | cornea |
| lacrim/o | tear |
| ocul/o | eye |
| ophthalm/o | eye |
| opt/o | eye |
| phac/o | lens (lentil) |
| phak/o | lens (lentil) |
| phot/o | light |
| presby/o | old age |
| retin/o | retina |
| scler/o | hard or sclera |
| vitre/o | glassy |
| -opia | vision condition |
| anterior chamber | fluid-filled space between cornea and iris |
| aqueous humor | watery liquid secreted by the ciliary processes that fills the anterior and posterior chambers of the eye and provides nourishment for the cornea, iris, and lens |
| scleral venous sinus | duct in the anterior chamber that carrier filtered aqueous humor to veins and bloodstream; also called canal of Schlemm |
| choroid | vascular layer beneath the sclera that provides nourishment to the outer portion of the retina |
| ciliary body | ring of tissue behind the peripheral iris that is composed of ciliary muscle and ciliary processes |
| ciliary muscle | smooth muscle portion of the ciliary body, which contracts to assist in near vision |
| ciliary processes | epithelial tissue folds on the inner surface of the ciliary body that secrete aqueous humor |
| conjunctiva | mucous membrane that lines the eyelids and outer surface of the eyeball |
| cornea | transparent anterior portion of the outer covering of the eye |
| eyelid | movable, protective fold that opens and closes, covering the eye; also called palpebra |
| fovea centralis | fundus |