The same DRG cells innervate bladder and rectum simultaneouly in rats

周强; 熊恩庆; 宋波; 李新

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The same DRG cells innervate bladder and rectum simultaneouly in rats

更新时间：2026-01-09

- The same DRG cells innervate bladder and rectum simultaneouly in rats
- Journal of Army Medical University Vol. 30, Issue 10, Pages: 973-975(2008)
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  CLC： R322.45;R322.62;R322.85
- Published：2008
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周强,熊恩庆,宋波,李新.大鼠膀胱与直肠神经的解剖学观察[J].陆军军医大学学报(原第三军医大学学报),2008,30(10):973-975.

　ZHOU Qiang,XIONG En-qing,SONG Bo,LI Xin.The same DRG cells innervate bladder and rectum simultaneouly in rats[J].J Amry Med Univ (J Third Mil Med Univ),2008,30(10):973-975.
周强,熊恩庆,宋波,李新.大鼠膀胱与直肠神经的解剖学观察[J].陆军军医大学学报(原第三军医大学学报),2008,30(10):973-975. DOI：

　ZHOU Qiang,XIONG En-qing,SONG Bo,LI Xin.The same DRG cells innervate bladder and rectum simultaneouly in rats[J].J Amry Med Univ (J Third Mil Med Univ),2008,30(10):973-975. DOI：

摘要

目的探讨膀胱与直肠之间的神经联系。方法用荧光素逆行双标法进行研究。健康成年雄性SD大鼠15只，完全随机分为实验组（10只）和对照组（5只）。实验组将荧光素碘化丙啶(Propidium Iodide

PI)注入直肠右侧壁肌层

双苯甲亚胺(Bisbenzimide

Bb)注入膀胱右侧壁肌层内，对脊髓L

节段进行追踪。结果在实验组右侧L

～S

和L

～L

的背根神经节(dorsal root ganglia

DRG)中发现荧光素双标细胞，对照组无双标细胞。结论腰、骶部的DRG细胞周围突有分支同时投射到直肠和膀胱，说明慢性便秘引起的排尿异常的发生机制可能与发生在DRG水平的轴突反射有关。

Abstract

Objective To study the innervation between baldder and rectum. Methods The retrograde fluorescent double labeling method was used. Propidium Iodide (PI) was injected into the right wall of the rectum of male SD rats and Bisbenzimide (Bb) into their right wall of urinary bladder. Results The fluorescent double labeled neurons were found in the right L

-S

and L

-L

dorsal root ganglia (DRG). Conclusion DRG cells at L

-S

and L

-L

simultaneously innervate the rectum and the urinary bladder

explaining that the abnormal micturition due to chronic constipation may be caused by axis reflex at the level of the peripheral

process of DRG cells.

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