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orbicular muscle of eye

orbicular muscle of eye in Medicine

orbicular muscle of eye n.
A muscle consisting of three parts: the orbital or external part, the palpebral or internal part, and the lacrimal part. The nerve supply of all three parts is from the facial nerve; the action of all three parts closes the eye and wrinkles the forehead vertically.

The American HeritageĀ® Stedman's Medical Dictionary
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