abnormal cerebellum vermis morphology MPheno.ontology cerebellum vermis dysplasia abnormal vermis morphology abnormal cerebellar vermis morphology MA:0000202 any structural anomaly of the narrow medial zone between the two hemispheres of the cerebellum that is delimited by two longitudinal furrows; it may be continuous with the cerebellar hemispheres in some areas of the cerebellum, e.g., dorsally, or separated by deeper fissues in others (e.g., ventrally); it receives inputs from the spinocerebellar tracts which carry to the vermis information on the position and balance of the torso, and it sends projections to the fastigial nucleus of the cerebellum, which then sends output to the vestibular nuclei abnormal spinocerebellum morphology vermis part MP:0000864 abnormal cerebellar cortex morphology