Definition: the nucleus cochlearis posterior [TA] (posterior cochlear nucleus [TA] or dorsal cochlear nucleus [TAalt]) and nucleus cochlearis anterior [TA] (anterior cochlear nucleus [TA] or ventral cochlear nucleus [TAalt]) are located on the posterior and lateral surface of the inferior cerebellar peduncle, in the floor of the lateral recess of the rhomboid fossa. The anterior cochlear nuclei may be divided into an anterior part [TA] (pars anterior [TA]) and a posterior part [TA] (pars posterior [TA]); they receive the incoming fibers of the cochlear part of the vestibulocochlear nerve and are the major source of origin of the lateral lemniscus or central auditory pathway.
Synonym(s): cochlear nucleiTA, nuclei nervi cochlearis
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