Infraorbital plexus

Infraorbital plexus
Mandibular division of the trifacial nerve. (Infraorbital labeled at center right.)
Details
FromFacial nerve, superior labial nerve
Anatomical terms of neuroanatomy

The superior labial branches descend behind the quadratus labii superioris, and are distributed to the skin of the upper lip, the mucous membrane of the mouth, and labial glands. They are joined, immediately beneath the orbit, by filaments from the facial nerve, forming with them the infraorbital plexus.