1.lagena The lower, posterior and outer chamber of the inner ear projecting from the sacculus , probably responsible for hearing.
听壶内耳的下面的后部与外部腔室，从球囊突出，可能跟听觉有关。
2.vestibule A chamber leading into other cavities or passages, e. g. of the inner ear, of the utriculus, sacculus, lagena .
前廊一个腔室进入其他的洞或通道，例如内耳，椭圆囊，球囊，听壶。