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6 Cards in this Set
- Front
- Back
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What muscle is primarily involved in opening the eye?
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The levator muscle in the upper lid.
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What muscle is primarily responsible for closing the eye?
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The orbicularis oculi muscle
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What two ligaments anchor the eyelid?
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Medial and Lateral Palpebral (or canthal) ligament.
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What nerve/s give sensation to the eyelid?
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Upper lid - Ophthalmic division of the trigeminal (CN V) nerve.
Lower lid - Maxillary division of the trigeminal (CN V) nerve. |
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What nerve innervates the orbicularis oculi muscle?
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The facial (CN VII) nerve
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What nerve innervates the levator muscle?
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The oculomotor (CN III) nerve.
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