Anatomy
Origin:
Medial end of superciliary arch.
Insertion:
Skin of medial half of eyebrow.
Key Relations:
Lies deep to orbicularis oculi and the eyebrows.
Functions
Draws eyebrows medially and downwards.
e.g. when frowning..
Supply
Nerve Supply:
Temporal branch of the facial nerve (CN 7).
Blood Supply:
Opthalmic artery.
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