has part has part characteristic of part of inheres in part of has modifier Abnormal cranial nerve morphology Abnormal vestibulocochlear nerve morphology 2009-01-28T10:42:57Z Abnormality of the vestibulocochlear nerve Any structural anomaly of the vestibulocochlear nerve. The vestibulocochlear nerve consists of the vestibular and cochlear nerves, also known as cranial nerve eight (CN VIII). Each nerve has distinct nuclei within the brainstem. The vestibular nerve is primarily responsible for maintaining body balance and eye movements, while the cochlear nerve is responsible for hearing. UMLS:C4021431 Abnormality of the VIIIth cranial nerve HP:0009591 Abnormal eighth cranial nerve morphology quality abnormal vestibulocochlear nerve