abnormal cerebellum deep nucleus morphology abnormal cerebellum dentate nucleus morphology 2010-02-11T10:27:56Z MA:0001008 MP:0009980 MPheno.ontology abnormal cerebellum lateral nucleus morphology abnormal corpus dentatum morphology abnormal dentate cerebellar nucleus morphology abnormal lateral cerebellar nucleus morphology any structural anomaly 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 csmith