Procerus muscle

'Procerus muscle'

Origin/Proximal Attatchment: From fascia over the lower of the nasal bone

Insertion/Distal Attatchment: Into the skin of the lower part of the forehead between the eyebrows

Action/Relevance: Draws down the medial angle of the eyebrow giving expressions of frowning

Innervation: Buccal branch of the facial nerve

Notes: also known as the depressor glabellae or pyramidalis nasi