Corrugator Supercilii

Written by Max Bidewell

Last updated January 17, 2023 • 4 Revisions

The corrugator supercilii is an orbital muscle of facial expression. It is a triangular shaped muscle located within the glabella region of the face.

  • Attachments – Originates from the medial aspect of the superciliary arch and inserts onto the skin of the eyebrow.
  • Actions – Draws the eyebrows together, creating vertical wrinkles on the bridge of the nose (associated with frowning).
  • Innervation – Temporal branches of the facial nerve.
  • Blood supply – Branches of the ophthalmic and superficial temporal artery.

Fig 1
The two orbital muscles of facial expression.

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