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orbicularis oculi muscle
anatomy
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eye anatomy
- In human eye: The eyelids
…muscular layer containing principally the orbicularis oculi muscle, responsible for lid closure; (3) a fibrous layer that gives the lid its mechanical stability, its principal portions being the tarsal plates, which border directly upon the opening between the lids, called the palpebral aperture; and (4) the innermost layer of the…
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manipulation of eyelid
- In eyelid
…a circular lid-closing muscle, the orbicularis oculi, and of the lid-raising muscle, the levator of the upper lid. Impulses for closing come by way of the facial (seventh cranial) nerve, and for opening by way of the oculomotor (third cranial) nerve. The lid borders are kept lubricated by an oily…
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