Figure 2422

Diagram illustrating the innervation of the sensory regions of the membranous labyrinth. Note the two parts of the vestibulocochlear nerve. The cochlear nerve carries the hearing impulses from the cochlear duct; the vestibular nerve carries balance information from the semicircular canals. The cell bodies of these sensory fibers are superior part of vestibular nerve inferior part of vestibular nerve internal acoustic meatus dorsal cochlear nuclei vestibular nuclei ventral cochlear nuclei /\

spiral ganglion cochlear nerve vestibular ganglion (of Scarpa)

dorsal cochlear nuclei vestibular nuclei

facial nerve vestibulocochlear nerve

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