Term
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Definition
| Sense organ lodged within the socket of the skull |
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Term
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Definition
| Socket of the skull where the eyeball is housed |
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Term
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Definition
| Moveable structures that protect the eyeball and help keep its surface moist by spreading tears across it |
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Definition
| The third eyelid. It moves across the surface of the eyeball to keep it clean |
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Term
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Definition
| Delicate membrane lining the inner surface of the eyelids |
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Term
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Definition
| Tear glands producing watery secreting that flows over the surface of the eyeball moistening and cleaning it |
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Term
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Definition
| Duct that drains tears to the nasal passage |
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Term
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Definition
| Muscles that control movement of the eyeball as a whole |
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Term
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Definition
| Nerve leading from the eye to the brain |
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Term
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Definition
| One of the three layers of the eyeball; it is the outermost dense fibrous layer |
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Term
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Definition
| Opaque portion of the fibrous tunic of the eyeball |
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Term
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Definition
| Transparent part of the eyeball through which light enters; it is part of the fibrous tunic |
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Term
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Definition
| Dark portion of the vascular tunic |
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Term
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Definition
| Whitish structure laying internally to the choroids; where light entering the pupils falls to form an inverted image |
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Term
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Definition
| Gelatinous structure which fills the large space between the lens near the front of the eyeball and the back wall of the eyeball |
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Term
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Definition
| Part of the eye responsible for focusing objects |
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Term
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Definition
| Holds the lens within the vascular tunic; it has somewhat of a pleated appearance |
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Term
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Definition
| An extension of the vascular tunic in front of the lens |
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Term
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Definition
| Opening of the eye in the center of the iris; the diameter of this structure determines the amount of light entering into the eyeball |
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Term
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Definition
| Watery substance feeding the anterior and posterior chambers of the eye |
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