abnormal cerebellar hemisphere morphology abnormal flocculus morphology MP:0010006 any structural anomaly of the small region of the cerebellum that receives input from the inferior and medial vestibular nuclei and sends fibers back to the vestibular nuclei, and processes and integrates these signals to allow for the constant maintenance of balance MPheno.ontology csmith 2010-02-12T11:28:41Z This is a structure present in both rodents and humans, but the location and morphology is dramatically different between these species.