There is no evidence to show that the function of facial nerve will be restricted when thedosage of 40,80,120Gy is given and come into being a irreversible damage in this experiment.

• 家兔面神经在接受总剂量分别为40,80,120Gy~(125)I 放射性粒子照射后对其功能影响不大,未造成不可逆的损伤。