cochlear ganglion

Definition: an elongated ganglion of bipolar sensory nerve cell bodies on the cochlear part of the vestibulocochlear nerve in the spiral canal of the modiolus; each ganglion cell gives rise to a peripheral process that passes between the layers of the bony spiral lamina to the organ of Corti, and a central axon that enters the hindbrain as a component of the inferior (cochlear) root of the eighth nerve, which conveys auditory sensation.

Synonym(s): ganglion cochleareTA, spiral ganglion of cochleaTA, ganglion spirale cochleae, auditory ganglion, Corti ganglion, spiral cochlear ganglion

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