Vth Cranial Nerve


(Trigeminal)

Opthalmic Division

  • sensory
  • passes through superior orbital fissure
  • frontal nerve
    • supraorbital
    • supratrochlear
  • lacrimal nerve
    • sensory to gland, upper eyelid, lateral forehead
  • nasocilliary
    • ciliary branches to eyeball
    • infratrochlear branch to root of nose
    • anterior ethnoidal nerve to bridge of nose and nasal septum

Maxillary Division

  • sensory
  • passes through foramen rotundum, pterygomaxillary fissure, infraorbital canal
  • branches
    • zygomatic
    • posterior, middle, anterior superior alveolar nerves
    • infraorbital nerve

Mandibular Division

  • mixed
  • passes through foramen ovale
  • branches
    • to temporalis
    • to masseter
    • buccal
    • auriculotemporal
    • inferior alveolar
    • lingual (sensory to gums, floor of mouth, anterior 2/3 of tongue
 

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