increased cochlear VIII nucleus size enlarged cochlear nucleus size MPheno.ontology MP:0012485 greater size of two paired brainstem nuclei, the dorsal cochlear nucleus and the ventral cochlear nucleus, that lie dorsal and ventral, respectively, to the inferior cerebellar peduncle at the rostral pole of the medulla; the cochlear nuclei receive input from the cochlear nerve and send projections to the inferior colliculus, the medial geniculate, and other forebrain structures increased cochlear nucleus size 2013-12-04T22:39:39Z csmith abnormal cochlear VIII nucleus morphology