Procerus

Anatomy

Origin:
Nasal bone and upper part of the lateral nasal cartilage.

Insertion:
Skin of lower forehead between the eyebrows.

Key Relations:
Lies over the nasal bone.

Functions

Draws medial border of eyebrows inferiorly resulting in transverse wrinkles over the bridge of the nose.

e.g. as in an expression of anger..

Supply

Nerve Supply:
Zygomatic branch of the facial nerve (CN 7).

Blood Supply:
-Lateral nasal artery
–Angular artery.

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