lesser zygomatic muscle

lesser zygomatic muscle definition - medical

lesser zygomatic muscle

noun
A muscle with origin from the zygomatic bone, with insertion into the orbicular muscle of the mouth, with nerve supply from the facial nerve, and whose action draws the upper lip upward and outward.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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