Lesser Petrosal Nerve

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Revision as of 04:44, 3 August 2024 by Fmichael1 (talk | contribs) (Created page with "thumb * Fnx - (General visceral efferent) stimulates saliva secretion from parotid gland * Origin - inferior salivatory nucleus of CN9, tympanic plexus, middle ear promontory * Course - Leaves middle ear through tiny canal in temporal bone, runs in middle cranial fossa on anterior surface of petrous bone * Skull exit - (exit point varies) foramen ovale, sphenopetrosal fissure, or Arnold’s canal * Gan...")
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  • Fnx - (General visceral efferent) stimulates saliva secretion from parotid gland
  • Origin - inferior salivatory nucleus of CN9, tympanic plexus, middle ear promontory
  • Course - Leaves middle ear through tiny canal in temporal bone, runs in middle cranial fossa on anterior surface of petrous bone
  • Skull exit - (exit point varies) foramen ovale, sphenopetrosal fissure, or Arnold’s canal
  • Ganglionic Synapse - Carries preganglionic parasympathetic fibers → otic ganglion synapse
  • Postganglionic Path - Postganglionic fibers travel along V3 to parotid gland
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