The superior labial nerve is a nerve of the face. It is a branch of the infraorbital nerve. It supplies sensation to the skin and mucosa of the upper lip. 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 Course The superior labial nerve arises from the infraorbital nerve (itself a branch of the maxillary division of the trigeminal nerve). It originates as several branches immediately distal to the infraorbital foramen. They descend behind the levator labii superioris muscle and pass into the upper lip – where they supply cutaneous sensation. The superior labial nerve communicates with fibres of the facial nerve through the infraorbital plexus. By TeachMeSeries Ltd (2025) Fig 1The course and branches of the infraorbital nerve Sensory Function The superior labial branches supply sensation to the skin and mucosa of the upper lip. Print Article Rate This Article