infraorbital nerve

Origin

• maxillary division of the trigeminal nerve (CN V-2)

Innervation

• mucosa of the maxillary sinus
• the upper incisors, canine & premolars
• the upper gums
• inferior eyelid & conjunctiva
• part of the nose
• upper lip

Course

• a continuation of the maxillary nerve (CN V-2)
• it traverses the pterygopalatine fossa & enters the orbit, via the orbital, then exits the orbit via the infraorbital canal to reach the face, supplying the mucosa of the maxillary sinus, the upper incisors, canine & premolars, the upper gums, the inferior eyelid & conjunctiva, part of the nose & the upper lip

More general terms

• peripheral nerve

Additional terms

• maxillary nerve (CN V-2)

Components

• inferior palpebral branch of infraorbital nerve
• superior labial branch of infraorbital nerve