蛙背膀胱经皮神经末梢兴奋传递单纤维记录  

Single Nerve Fiber Record for Transimission of Skin Nerve Endings in"Urinany Bladeer Channel" of Frog' s Back

作　　者：汪桐[1] 胡剑北[1] 朱笛霓[2] 沈行良[2] 

机构地区：[1]皖南医学院中西医结合研究室 [2]陕西省中医药研究院

出　　处：《皖南医学院学报》1998年第3期229-231,共3页Journal of Wannan Medical College

基　　金：国家攀登计划经络研究项目资助课题 JL93022

摘　　要：为了进一步证明外周神经末梢的兴奋传递,在蛙背“膀胱经”皮神经标本上,用单纤维记录法,刺激一条应神经外周端,发现在部分单纤维上可引导出动作电位.动作电位出现率与记录神经的距离有关,刺激与记录神经之距越近越易引出。用P物质处理后,刺激引起的动作电位频率明显增加.In order to further prove EAP in neighbouring nerve end ings could be induced when an-other peripheral terminal was stimulated , the single nerve fiber record method was used to prepare the skin nerve endings in 'Urinany Bladder Channel' of frog' s back. The results revealed that single nerve fiber could produce EAP when another peripheral terminal was stimulated. The nearer nerve end-ing to sitmalus,the more spike frequencies would be recolded. Substance P ip not only increased the fre-quencies of EAP, but also increased the expanding distance of EAP. It is inferred that substance P could be the excitatory transmitter between peripheral nerve endings.

关 键 词：循经感传 单纤维记录 蛙 外周神经末梢 

分 类 号：Q422[生物学—神经生物学] Q429[生物学—生理学]