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| 大鼠三叉神经节内含内吗啡肽2的神经元向延髓背角投射 | |
| 引用本文： | 廖衡,陈涛,李云庆. 大鼠三叉神经节内含内吗啡肽2的神经元向延髓背角投射[J]. 解剖学报, 2007, 38(2): 241-242 |
| 作者姓名： | 廖衡 陈涛 李云庆 |
| 作者单位： | 西安市451医院耳鼻喉科;第四军医大学基础部人体解剖学教研室、梁銶琚脑研究中心,西安,710032 |
| 摘 要： | 目的 观察大鼠三叉神经节(TG)内的内吗啡肽2(EM2)阳性神经元向延髓背角(MDH)的投射情况.方法 荧光金(FG)追踪与EM2免疫荧光组织化学染色相结合的双标方法.结果 将FG注入MDH后,TG内可见大量FG标记的大、中、小型神经元;TG内也可见各种直径的EM2阳性神经元;TG内的许多FG标记神经元呈EM2阳性,FG/EM2双标神经元多为中、小型神经元.结论 TG内的EM2阳性神经元向MDH投射. |
| 关 键 词： | 内吗啡肽 延髓背角 三叉神经节 痛 免疫荧光 大鼠 |
| 文章编号： | 0529-1356（2007）02-241 |
| 收稿时间： | 2006-05-08 |
| 修稿时间： | 2006-05-082006-12-04 |
AXON-PROJECTION OF ENDOMORPHIN-2-CONTAINING NEURONS IN THE TRIGEMINAL GANGLION TO THE MEDULLARY DORSAL HORN IN THE RAT |
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| LIAO Heng,CHEN Tao,LI Yun-qing. AXON-PROJECTION OF ENDOMORPHIN-2-CONTAINING NEURONS IN THE TRIGEMINAL GANGLION TO THE MEDULLARY DORSAL HORN IN THE RAT[J]. Acta Anatomica Sinica, 2007, 38(2): 241-242 | |
| Authors: | LIAO Heng CHEN Tao LI Yun-qing |
| Affiliation: | Department of Anatomy and KK Leung Brain Research Centre, the Fourth Military Medical University, Xi′an 710032,China |
| Abstract: | Objective To observe whether endomorphin-2-immunoreactive(EM2-ir) neurons in the trigeminal ganglion(TG) project to the medullary dorsal horn(MDH) in the rat. Methods Fluoro-gold(FG) retrograde tracing and immunofluorescent histochemical staining for EM2 were applied. Results After FG was injected into the MDH,many FG labeled neurons with small,medium and large diameters were observed in the TG.There were also aboundant EM2-ir neurons with different diameters in the TG.The majority of FG labeled neurons in the TG showed EM2-immunoreactivities.Almost all of the EM2/FG double-labeled neurons were medium and small in size.Conclusion EM2-ir neurons in the TG project to the MDH in the rat. |
| Keywords: | Endomorphin Medulla dorsal horn Trigeminal ganglion Pain Immunofluorescent Rat |
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