CN V3 Flashcards
(17 cards)
Mandibular division exits the cranial vault through the
Foramen ovale
8 muscles
Temporalis Masseter Medial pterygoid Lateral pterygoid Tensor veli palateni Tensor tympani Mylohyoid Anterior belly digastric
Sensory and motor roots combine at the
Infratemporal fossa
2 branches off infratemporal fossa
Recurrent meningeal branch
Medial pterygoid nerve
Motor anterior division
Masseter n
Deep temporal n
Lateral pterygoid n
Buccal n
Sensory posterior division
Auriculotemporal n
Lingual n
Inferior alveolar n
Recurrent meningeal n
Sensory to middle & anterior cranial fossa and the calvarium
Goes through foramen spinosum
Medial pterygoid n
Otic ganglion
Motor
Supplies tensor muscles
Masseter
Motor supplies the Masseter
Sensory to TMJ
Deep temporal n
Anterior and posterior branches
Supply temporalis
Lateral pterygoid
Supplies lateral pterygoid muscle
Buccal n
Major sensory branch
Auriculotemporal n
Parotid gland to infratemporal fossa
Sensory
Lingual
Sensory
Combines with chords typani in Infraorbital fossa
Inferior alveolar n
Sensory
Incisive branch and mental n
Motor fibers are carried here too passing through mandibular foramen supplying mylohyoid and anterior belly digastric
Submandibular ganglion
Receives preganglionic parasympathetic fibers from CN7 via lingual n
Otic ganglion
Sends post ganglionic parasympathetic fibers to parotid gland via auriculotemporal n