为了全面探索脊神经根的正常与异常,及其与临床神经根性症状复杂多变的可能关系,我们对35具(男27具女8具)防腐固定的成人尸体进行解剖.从脊柱后正中全程打开椎管及椎间孔.以观察脊神经根的全貌,并测量70侧的每条脊神经前后根的横径及前后根解剖汇合点到硬膜囊出口处的距离.在观测的过程中,发现 In order to comprehensively explore the normal and abnormal spinal nerve root, and its clinical and radicular symptoms may be complicated and changeable, we 35 (male and female with 8 female anticorrosive fixed 8 adult anatomy .From the entire middle of the spine open Spinal canal and intervertebral foramen in order to observe the whole of the spinal nerve roots and to measure the diameter of the anterior and posterior root of each spinal nerve on the 70 side and the distance from anterior and posterior root anatomical junction to the exit of the dural sac.During the observation,