label: Corrugator Supercilii Muscle
label_lc: corrugator supercilii muscle
description: "One of two small facial muscles that are located behind the occipitofrontalis and orbicularis oculis muscles, with which they blend, and allow movement of the eyebrows. They originate in the medial superciliary arch and insert into the skin above the middle of the supraorbital margins. They are innervated by the temporal branch of the facial nerve and supplied by branches from the superficial temporal and ophthalmic arteries."