has part has part has_part characteristic of part of has modifier radial glia guided migration of cerebellar granule cell abnormal neuronal migration abnormal cerebellar granule cell migration MP:0009977 any anomaly in the movement of cerebellar granule cell neurons from the germinal zone into the granule cell layer of the cerebellum along radial glia fibers during development of the cerebellar cortex csmith 2010-02-08T04:16:50Z MPheno.ontology quality abnormal