Corrugator supercilii muscle

Corrugator supercilii muscle
	Left orbicularis oculi muscle (notice the corrugator muscle at the top)
	Corrugator supercilii
Details
Latin	Musculus corrugator supercilii
Origin	supraorbital ridge ( Superciliary arches )
Insertion	Forehead skin, near eyebrow
Artery	Ophthalmic artery
Nerve	Facial nerve
Actions	Wrinkles forehead
Identifiers
Dorlands; /Elsevier	m_22/12548671
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TH	{{#property:P1694}}
TE	{{#property:P1693}}
FMA	{{#property:P1402}}
	Anatomical terms of muscle [[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).\|edit on Wikidata]]]

The corrugator supercilii is a small, narrow, pyramidal muscle close to the eye. It is located at the medial end of the eyebrow, beneath the frontalis and just above orbicularis oculi muscle.

It arises from the medial end of the superciliary arch; and its fibers pass upward and laterally, between the palpebral and orbital portions of the orbicularis oculi muscle, and are inserted into the deep surface of the skin, above the middle of the orbital arch.

The name corrugator supercilii is Latin, meaning wrinkler of the eyebrows.

Action

The corrugator draws the eyebrow downward and medially, producing the vertical wrinkles of the forehead. It is the "frowning" muscle, and may be regarded as the principal muscle in the expression of suffering. It also contracts to prevent high sun glare, pulling the eyebrows toward the bridge of the nose, making a roof over the area above the middle corner of the eye and typical forehead furrows.^[1]

The muscle is sometimes surgically severed or paralysed with botulinum toxin as a preventive treatment for some types of migraine or for aesthetic reasons.