脊神经后根神经节的解剖及放射学研究程迅生摘译李嘉寿校解剖研究（１）作者观察了２２具尸体的Ｌ４、Ｌ５和Ｓ１神经根其前后根在椎间孔水平的连接形式，发现脊神经可根据其前根和后根神经节有或没有分叉而分为两组。对分叉组可进一步分为三型，Ａ型：１条前根和１条后根... Anatomical and Radiological Studies of Dorsal Root Ganglia in the Spinal Nerve CHENG Xun-sheng Abstract Li Jia-shou School Anatomy (1) The author observed the connection form of the anterior and posterior roots of the L4, L5 and S1 nerve roots of 22 cadaveric bodies at the level of the foramen and found that the spinal nerves According to their anterior and posterior root ganglia with or without bifurcation is divided into two groups. For the bifurcation group can be further divided into three types, A type: 1 before the root and 1 after the root ...