Orbicular muscle of eye



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.

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    [awr-bik-yuh-lit, -leyt] /ɔrˈbɪk yə lɪt, -ˌleɪt/ adjective 1. orbicular; rounded.

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