olivocochlear bundle


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Related to olivocochlear bundle: spiral ganglion of cochlea, olivocochlear tract

ol·i·vo·coch·le·ar tract

[TA]
fibers that originate from the periolivary nuclei bilaterally, exit the brianstem on the vestibular nerve, join the cochlear nerve in the inner ear, and terminate on outer hair cells.

olivocochlear bundle

An axon tract that originates in the superior olivary nuclei of the hindbrain. The tract exits the brainstem and runs in the vestibulocochlear nerve (CN VIII), eventually synapsing on hair cells in the cochlea in the inner ear. The olivocochlear bundle is one pathway by which the auditory system can modify its perception of sound.
Synonym: efferent cochlear bundle
See also: bundle