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Med Terminology: CH5
Sydney Henderson
| 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 eye |
| irid/o | iris, colored part of eye |
| 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 |
| conjuctiva | 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 | pinpoint depression in the center of the macula lutea that is the site of sharpest vision |
| fundus | interior surface of the eyeball, including the retina, optic disk, macula, and posterior pole (curvature at the back of the eye) |
| zeis glands | oil glands opening into the follicles of the eyelashes |
| tarsal glands | oil glands located along the rim of the eyelids; also called meibomian glands |
| meibomian glands | oil glands located along the rim of the eyelids |
| iris | colored circle; colored part of the eye located behind the cornea that contracts and dilates to regulate light passing through the pupil |
| lacrimal gland | gland located in the upper outer region above the eyeball that secretes tears |
| lacrimal ducts | tubes that carry tears to the lacrimal sac |
| lacrimal sac | structure that collects tears before emptying into the nasolacrimal duct |
| lens | the transparent structure behind the pupil that changes shape to help focus images on the retina |
| lens capsule | capsule that encloses the lens |
| macula lutea | central region of the retina; responsible for central vision; yellow pigment provides its color |
Created by:
SyddySyd
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