abnormal cerebellum dentate nucleus morphology increased cerebellum dentate nucleus size 2013-12-04T22:39:39Z MP:0012487 MPheno.ontology csmith enlarged cerebellum dentate nucleus greater size of the largest and most lateral of the deep cerebellum nuclei; it receives axons of Purkinje cells in the lateral cerebellar hemisphere (neocerebellum) and receives its afferents from the premotor cortex and the supplementary motor cortex through the pontocerebellar system, and its efferents project through the superior cerebellar peduncle and is a major source of its fibers increased cerebellum lateral nucleus size increased corpus dentatum size increased dentate cerebellar nucleus size increased lateral cerebellar nucleus size