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三日龄雏鸡中脑视顶盖H层神经元形态研究

Morphological study on neurons in layer H of optic tectum in 3-d-old chicks
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摘要 为深入了解禽类中脑视顶盖的内部构造,用羰花青荧光染料DiI(1,1-’dioctadecyl-3,3,3’3-’tetramethyl-indocarbo-cyanine perchlorate)神经标记技术,对雏鸡视顶盖H层神经元形态进行了观察。结果显示,DiI标记H层神经元可分为2种类型,Ⅰ型神经元数量较多,胞体为多边形,树突野大,树突的数量和分支多,伸展较远,树突末端最远可达视顶盖A层;Ⅱ型神经元较少,胞体呈梨形、梭形、三角形等多种形态,树突野小,树突数量与分支少,伸展较近,最远只达视顶盖E层。 In order to better understand the structure of avian optic tectum in mesencephalon,the morphological characteristics of neurons in layer H of optic tectum in 3-d-old chicks were observed by DiI labeling method.The results showed that the labeled neurons in layer H can be classified into 2 main types,type I neurons and type II neurons.The neurons of type I showed polygonal soma,with large dendritic fields and farther extending dendrites.Some of their dendritic endings extended as far as layer A in tectum.The neurons of type II showed polymorphic soma,with small dendritic fields and farther extending dendrites.The farthest dendrites extended only to layer E in tectum.
作者 郭洁 胡满 胥佳利 李慧超
机构地区 河北农业大学动物科技学院
出处 《河北农业大学学报》 CAS CSCD 北大核心 2009年第6期97-100,共4页 Journal of Hebei Agricultural University
基金 国家自然科学基金(30840059) 河北省自然科学基金(C2007000537) 河北农业大学校长基金(20040416) 河北省留学回国人员科技活动项目择优资助基金(2006173)
关键词 雏鸡 视顶盖 H层神经元 形态 chick tectum neurons in layer H morphology
分类号 S852.16 [农业科学—基础兽医学]
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参考文献14

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二级参考文献52

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河北农业大学学报
2009年 第6期

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