目的：观察单侧或部分下颌骨缺损重建术后升支高度和下颌骨髁状突运动的变化。
Objective: the purpose of this study is to observe the changes of ramus height and condylar movement after mandibular reconstruction.
将辣根过氧化物酶注入单侧肌肉内，在三叉神经运动核尾侧的腹内侧部引起了双侧的标记细胞。
Unilateral injection of horseradish peroxidase into the muscle resulted in bilateral labelling of cell in the ventromedial region of the caudal trigeminal nucleus.
对照组受检者单侧肢体运动均可在对侧大脑半球初级运动皮质观察到兴奋区，其最大信号像素时间-信号强度曲线与BLOCK模式运动时相一致。
Signal changes were observed within contralateral primary motor cortex in subjects of control group. The maximal signal pixel time-signal curve was the same to the movement of BLOCK model.
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