目的：为临床、科研提供寰椎椎动脉沟的解剖学资料。
Objective: to provide anatomical data of vertebral artery groove for clinical?
目的：通过动物实验研究寰椎椎动脉沟环对脑血供的影响。
Objective: To investigate the changes of the rate and the volume of blood flow of vertebral artery by the foramen arch of atlas.
结果测量出寰椎后弓、侧块、椎动脉沟、后弓侧块螺钉通道的轴线长度，及后弓进钉点和进钉方向等参数。
Result the parameters of posterior arch, lateral mass, vertebral artery groove, axis length of screw pass via posterior arch and lateral mass, projection and direction of screw were measured.
结果得出了椎动脉沟半距、椎弓、寰椎前后结节等结构的测量数据。
Result Obtaining the data of the radius of arterial groove vertebral arch, the tuberculum posterius and anterior altantis .
结果得出了椎动脉沟半距、椎弓、寰椎前后结节等结构的测量数据。
Result Obtaining the data of the radius of arterial groove vertebral arch, the tuberculum posterius and anterior altantis .
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