The procerus is a nasal muscle of facial expression. It lies superficial to the nasal bone. Attachments – Originates from the nasal bone and inserts onto the skin of the lower medial forehead. Actions – Pulls the eyebrows downward to produce transverse wrinkles over the nose (associated with frowning) Innervation – Buccal branches of the facial nerve. Blood supply – Facial artery. By TeachMeSeries Ltd (2025) Fig 1The nasal muscles of facial expression Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Print Article Rate This Article