New metrics for analysis of dendritic branching patterns demonstrating similarities and differences in ON and ON‐OFF directionally selective retinal ganglion cells
New metrics for analysis of dendritic branching patterns demonstrating similarities and differences in ON and ON‐OFF directionally selective retinal ganglion cells
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用于分析树突分支模式的新指标，证明 ON 和 ON-OFF 定向选择性视网膜神经节细胞的相似性和差异
DOI：
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发表时间：
1992
期刊：
影响因子：
--
通讯作者：
E. Famiglietti
中科院分区：
文献类型：
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作者：
E. Famiglietti
在高尔基体浸渍的兔视网膜整体标本中研究了视网膜神经节细胞的形态和树突状分支模式。在鉴定的大量形态学类型中，发现了两种对应于在其他研究中鉴定的ON和ON-OFF方向选择性（DS）神经节细胞的形态学。这两种DS神经节细胞相互比较，以及与I类，II类和III类细胞的例子，这里定义参考我们以前的研究。本文分析了细胞体、树突域大小和分支模式，并在下文中检查了树突分层水平。当在相同的视网膜位置进行比较时，ON DS神经节细胞的索马尺寸大约10%，并且是ON-OFF DS神经节细胞的树突状视野面积的约5倍。这两种形态学类型的神经节细胞可以说是定义了整个神经节细胞群体内细胞体和树突场大小的中间范围的上限和下限。然而，在以前的生理研究中，这两种类型的感受野大小是相似的。形态学和生理学证据之间的这种差异在讨论中被认为是结合星状无长突细胞的ON-OFF DS神经节细胞的兴奋性感受野模型。
The morphology and dendritic branching patterns of retinal ganglion cells have been studied in Golgi‐impregnated, whole‐mount preparations of rabbit retina. Among a large number of morphological types identified, two have been found that correspond to the morphology of ON and ON‐OFF directionally selective (DS) ganglion cells identified in other studies. These two kinds of DS ganglion cell are compared with each other, as well as with examples of class I, class II, and class III cells, defined here with reference to our previous studies. Cell body, dendritic field size and branching pattern are analyzed in this paper and levels of dendritic stratification are examined in the following paper. ON DS ganglion cells are about 10% larger in soma size and about 5 times the dendritic field area of ON‐OFF DS ganglion cells, when compared at the same retinal location. These two morphological types of ganglion cell can be said to define the upper and lower bounds of an intermediate range of cell body and dendritic field sizes within the whole population of ganglion cells. Nevertheless, in previous physiological studies receptive field sizes of the two types were shown to be similar. This discrepancy between morphological and physiological evidence is considered in the Discussion in terms of a model of the excitatory receptive field of ON‐OFF DS ganglion cells incorporating starburst amacrine cells.
视网膜神经节细胞：特性、类型、属、途径和跨物种比较。
DOI：
10.1159/000121492
发表时间：
1983
期刊：
Brain, behavior and evolution
影响因子：
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作者：
Rodieck,RW;Brening,RK
通讯作者：
Brening,RK