has part has part characteristic of part of has modifier Abnormal cochlea morphology The cochlea is an inner ear structure comprised of a snail-shell like structure divided into three fluid-filled parts. Two are canals for the transmission of pressure and in the third is the organ of Corti, which detects pressure impulses and responds with electrical impulses which travel along the auditory nerve to the brain. Abnormal skull base morphology Abnormal temporal bone morphology Abnormal inner ear morphology morphology abnormal cochlea