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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Words nearby orbicular muscle of eye

oratory, oratrix, orb, orb weaver, orbicular, orbicular muscle of eye, orbicular muscle of mouth, orbicular zone, orbiculare, orbiculate, orbison
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.