has part has part has_part characteristic of part of has modifier abnormal inner ear morphology abnormal pars superior vestibularis morphology MP:0000028 pars superior vestibularis dysplasia MPheno.ontology any structural anomaly in the part of the vestibular ganglion that receives fibers from the maculae of the utricle and the sacculae and the ampullae of the anterior and lateral semicircular ducts abnormal vestibular ganglion morphology morphology abnormal superior part of vestibular ganglion