corrugator muscle


Also found in: Dictionary, Thesaurus, Encyclopedia.

cor·ru·ga·tor su·per·ci·li·i (mus·cle)

[TA]
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.

corrugator muscle

Facial muscle. Origin: medial part of supraorbital margin. Insertion: skin above middle of eyebrow. Nerve: facial (CN VII). Action: pulls eyebrows toward midline and downward.
Synonym: Corrugator supercilii
See also: muscle
References in periodicals archive ?
Surgical treatment of migraine headaches by corrugator muscle resection.
Hamas, this relatively simple procedure gives the plastic surgeon an easier way to resect the small corrugator muscles -- those muscles responsible for drawing the eyebrows together and wrinkling the forehead when you frown.
The rami will ascend superomedially to innervate the lateral orbicularis oculi, frontalis, and corrugator muscles.