Method: ABR and click-evoked potentials on the surface of the cervical dura mater were tested in 20 Smad5(+/-) mice and 15 Smad5(+/+) as control. The morphological changes of vestibule and cochlea were observed in semi-thin section in temporal bone.

• 方法:对照法对20只Smad5(+/-)小鼠和15只Smad5(+/+)小鼠进行颈髓膜表面短声诱发电位检测前庭功能和听功能(ABR)及耳蜗和前庭器官形态的改变实验观察。