Term
Eyes
opt/i, opt/o, optic/o, ophthalm/o |
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Definition
| receptor organs for the sense of sight |
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Term
Iris
ir/i, ir/o, irid/o, irit/o
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Definition
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Term
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Definition
| focuses rays of light on the retina |
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Term
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Definition
| appendages or accessory structures of an organ |
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Term
adnexa of the eyes
adnexa oculi |
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Definition
structures outside the eyeball:
-orbit, eye muscles, eyelids, eyelashes, conjuctiva, and lacrimal apparatus |
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Term
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Definition
| bony covity of the skull that contains and protects the eyeballl and its associated muscles, blood vessels, and nerves |
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Term
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Definition
-6 major eye muscles
-arranged in 3 pairs
-superior and inferior oblique muscles
-superior and inferior rectus muscles
-lateral and medial rectus muscles
-muscles make eye movements possible |
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Term
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Definition
(bin- means two, ocul means eye, and -ar means pertaining to)
muscles of both eyes work together in coordinated movements |
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Term
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Definition
protect eyeball from foreign matter, excessive light, and injuries due to other causes
edges contain oil-producing sebaceous glands |
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Term
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Definition
(canth means corner of the eye, and -us is a singular noun ending)
angle where the upper and lower eyelids meet |
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Term
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Definition
| where the eyelids meet nearest the nose |
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Term
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Definition
| vertical fold of skin on either side of the nose |
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Term
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Definition
| where the eyelids meet farthest from the nose |
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Term
tarsus
tars/us
tarsal plate |
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Definition
framework within the upper and lower eyelids that provides the necessary stiffness and shape
(tars means edge of the eyelid, and -us is a singular noun ending) |
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Term
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Definition
prevent foreign matter from reaching the eyes
-eyelashes consist of small hairs known as cilia |
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