Corrugator supercilii
Corrugator supercilii
- Latin synonym: Musculus corrugator supercilii
- Synonym: Corrugator supercilii muscle
- Eponym: Muscle of Koyter; Koyter's muscle
Definition
Origin: Superciliary arches
Insertion: Forehead skin, near eyebrow
Nerve: C1 via hypoglossal nerve
Action: Carry hyoid bone and the tongue upward duringdeglutition
Description:
The Corrugator (Corrugator supercilii) is a small, narrow, pyramidal muscle, placed at the medial end of the eyebrow, beneath the Frontalis and Orbicularis oculi. It arises from the medial end of the superciliary arch; and its fibers pass upward and lateralward, between the palpebral and orbital portions of the Orbicularis oculi, and are inserted into the deep surface of the skin, above the middle of the orbital arch.
References
This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from http://www.wikipedia.org
