abnormal cerebellum development
abnormal cerebellar foliation
MP:0000857
any anomaly of the pattern of the ten cerebellar lobules; in mammals, the vermis portion of the cerebellum has a foliation pattern along the AP axis that is distinct from the lateral cerebellar hemispheres and the intermediate zone that separates the vermis from the lateral hemispheres; in addition, each of the ten basic lobules can be subdivided into sublobules but strain and species differences are reported
MPheno.ontology
abnormal cerebellum lobule morphology