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corrugator supercilii (muscle)


Definition: facial muscle of forehead; origin, from orbital portion of musculus orbicularis oculi and nasal prominence; insertion, skin of eyebrow; action, draws medial end of eyebrow downward and wrinkles forehead vertically, conveying facial expression of deep thought, worry, or concern; nerve supply, facial.

Synonym(s): musculus corrugator superciliiTA, Coiter muscle, corrugator muscle, wrinkler muscle of eyebrow

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.