Trigeminal nerve

Trigeminal nerve

1. Trigeminal ganglion

   • Maxillary
     • Foramen rotundum
       • Pterygopalatine fossa
         • Zygomatic
           • Inferior orbital fissure
             • Orbits, zygomatic area of face
         • Pterygopalatine
           • Pterygopalatine ganglion
             • Nasopalatine
               • Nasal septum
                 • Incisive foramen
                   • Palatial mucosa & alveolar bone anteriorly
             • Greater palatine
               • Lesser palatine
                 • Hard palate
                   • Lesser palatine foramen
                     • Soft palate
               • Hard palate
                 • Greater palatine foramen
                   • Palatal mucosa & alveolar bone posteriorly
         • Infraorbital
           • Inferior orbital fissure
             • Infra orbital canal
               • Posterior superior
                 • Buccal mucosa & alveolar bone. U7,8. DB,P roots of U6
               • Middle superior
                 • Buccal mucosa & alveolar bone. MB root of U6. U5,4. Often absent (50%)
               • Anterior superior
                 • Labial mucosa & alveolar bone. U1,2,3
   • Opthalmic
     • Superior orbtial fissure
       • Scalp, forehead, upper eyelid, part of eye, nose, nasal mucose
   • Mandibular
     • Foramen ovales
       • Nerves to muscles
         • Muscles of mastication
       • Auriculotemporal
         • Parotid gland
           • TMJ, outer ear, scalp
       • Buccal
         • Lateral pterygoid muscle
           • Cheek mucosa, buccal mucosa, alveolar bone of lower molars
       • Lingual
         • Ramus of mandible
           • Lateral and medial pterygoid muscles
             • Submandibular ganglion
               • Lingual mucosa & alveolar bone, floor of mouth, anterior 2/3 of tongue
       • Inferior dental nerve
         • Incisive
           • Lower anterior teeth
         • Mental foramen
           • Mental
             • Labial mucosa & alveolar bone, skin & mucosa of the lip
         • Inferior dental canal
           • Inferior dental canal