狗肾脏交感节后纤维来源的研究

Origin of Sympathetic Postganglionic Fibers in Kidney of Dogs

采用辣根过氧化物酶逆行追踪技术（HRP技术）将CB-HRP注入狗的一侧肾脏，对8只狗肾脏交感节后纤维来源进行了研究，结果表明：交感节后神经元标记细胞分布于注射侧T6-L3节段交感干神经节，高峰节段为T12-L2节段，8例共见标记细胞7077个，占交感干神经节内标记细胞总数90．86％．在注射侧腹腔神经节、肠系膜前神经节和主动脉肾神经节也见有大量交感节后神经元标记细胞．标记细胞以梭形、卵圆形和多极的中小型细胞为主，交感干神经节内标记细胞靠边缘分布，而其它部位则均匀、散在分布．说明狗肾脏交感节后纤维来源广泛。

Origin of sympathetic postganglionic fibers for the kidney in 8 dogs was studied by using HRP method. CB-HRP was injected into one-sided kidney, the results show： the labelled cells of sympathetic postganglionic neurons were found in T6 to L3 segments of sympathetic trunk ganglia in the same side of the operation. A large percentage of the total number of labelled cells are located in T12 to L2（90.86% ）. A large number of labelled cells were observed in the coeliac ganglion on the injected side, mesenteric ganglion and aorticorenal ganglion on the injected side. The majority of labelled cells are ovoid, spindle or multi-polar in shape and small sized. All results mentioned above indicate that the origin of sympathetic postganglionic fibers for the kidney in dog is wide.