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用CB－HRP对大鼠后海穴区进行神经节段性分布的研究。在L6～S木水平标记出该穴相关运动神经元（Mn）的树突形成软膜下树突丛和空管膜下树突丛，两者均为嫌高尔基树突。有些远端树突穿越到对侧灰质。在背角和背连合核（DCN，S1～2）区域内CB-HRP标记的初级跨节感觉纤维和标记的前终末纤维可与送行标记的Mn树突汇聚和重叠。电针或免疫注射动物的Mn，其树突软膜下丛和室管膜下丛减少。结果提示后海穴区的神经支配在脊髓内形成传A-DCN整合-传出模式的神经反射回路，相关Mn（L6～S1）可能参与后海穴位作用。
Study on the Segment Distribution of Nerve in Rat Houhai Area by CB-HRP. The dendrites of this cave-associated motor neuron (Mn) were labeled at the L6-S level to form submachial dendrites and the subcapsular dendrites, both of which were suspected of Golgi dendrites. Some distal dendrites cross to the contralateral gray matter. CB-HRP-labeled primary cross-sectional sensory fibers and labeled pre-terminal fibers can be brought together and overlap with the dendritic labeled Mn dendrites in the dorsal horn and dorsal commissural nucleus (DCN, S1-2) regions. Mn in the electroacupuncture or immunized animals decreased in the dendritic plexus and subependymal plexus. The results suggest that the innervation of the posterior sea hole can form A-DCN integral-efferent reflex loops in the spinal cord, and the related Mn (L6-S1) may participate in the acupoints of Houhai points.