同时记录椎体宽度及椎弓根间距作为内参照，以排除不同椎体大小的影响。
Vertebral body width and interpedicular distance were recorded as internal standards to control for varying vertebral size.
在L5椎弓根最小轴的横断面宽度比例最大。
The ratio of the transverse plane width to the least axis of pedicle was largest at L5.
结果：不管性别，椎弓根最小轴、最长轴、横断面宽度均在L5最大。
Results. The least axis of pedicle, the longest axis of pedicle and the transverse plane width were largest at L5 in both genders.
结果：不管性别，椎弓根最小轴、最长轴、横断面宽度均在L5最大。
Results. The least axis of pedicle, the longest axis of pedicle and the transverse plane width were largest at L5 in both genders.
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