In irradiation group , the cilia of hair cells in macula utriculi became shorter , the number of cilia and hair cells decreased and the otolith disappeared . The structure of crista ampullaris of control group was normal .
对照组壶腹嵴结构正常，照射组壶腹嵴与对照组相比，感觉上皮变薄，毛细胞数量减少，纤毛消失。
macula utriculi