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关于椎动脉起始、行走的弯曲变异，国内、外均有详尽的报道；但椎动脉被脊神经前后根夹持，国内、外的参考文献未见报道。我们在做脊神经根标本时发现此变异一例，现将其报道如下：标本为男性，约５０岁左右，体形稍瘦。当从脊柱后正中为打开椎板和椎间孔后壁，分离脊神经根和
About the beginning of vertebral artery, walking bending variation, both at home and abroad have detailed reports; but the vertebral artery is the front and rear roots of spinal nerves holding the domestic and foreign references have not been reported. We are doing spinal nerve root specimens were found when the mutation in one case, now reported as follows: The specimen is male, about 50 years old, slightly lean body. When starting from the middle of the spine to open the posterior wall of the lamina and the intervertebral foramen, separate the spinal nerve root and