- origin: descending fibers of frontalis muscle coalesce with procerus
- insertion: skin of the inferior glabella
- innervation: buccal nerve (branch of the facial nerve (VII))
- arterial supply: facial artery
- venous drainage: facial vein
Muscles of the nose vary in size between individuals and may be entirely absent .
History and etymology
Procerus is the Latin word meaning 'slender' .