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Title: Dendritic relationship between starburst amacrine cells and direction-selective ganglion cells in the rabbit retina
Author: Dong, W ; Sun, WZ ; Zhang, YY ; Chen, XR ; He, SG
Source: JOURNAL OF PHYSIOLOGY-LONDON
Issued Date: 2004
Volume: 556, Issue:1, Pages:41230
Keyword: IMAGE MOTION ; ORGANIZATION ; MECHANISM ; CIRCUITRY
Subject: Neurosciences & Neurology ; Physiology
Corresponding Author: He, SG (reprint author), Chinese Acad Sci, Shanghai Inst Biol Sci, Inst Neurosci, 320 Yue Yang Rd, Shanghai 200031, Peoples R China,s.he@ion.ac.cn
English Abstract: We investigated the dendritic relationship between starburst amacrine cells (SAs) and morphologically and physiologically characterized ON and ON-OFF direction-selective ganglion cells (DSGCs) in the rabbit retina. ON and ON-OFF DSGCs were found to exhibit tight dendritic cofasciculation with the SA plexus, visualized by immunolabelling of the vesicular acetylcholine transporter (VAChT). The degree of cofasciculation of both types of DSGC dendrites and SA plexus was found to be significant, unlike the relationship between non-DS cells and the SA plexus, which was close to chance distribution. No difference in the degree of cofasciculation in different regions of the DS dendritic field was observed. Individual SAs intracellularly injected both on the 'preferred' and 'null' side of the DSGCs showed the same degree of cofasciculation with the DSGCs. Therefore, the computation of motion direction is unlikely to result from apparent asymmetry in geometric proximity between SAs and DSGCs. Highly selective synaptic connections between SAs and DSGCs are necessary.
Indexed Type: sci
Language: 英语
Content Type: 期刊论文
URI: http://ir.sibs.ac.cn/handle/331001/1969
Appears in Collections:神经所(总)_期刊论文

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Dong, W; Sun, WZ; Zhang, YY; Chen, XR; He, SG.Dendritic relationship between starburst amacrine cells and direction-selective ganglion cells in the rabbit retina,JOURNAL OF PHYSIOLOGY-LONDON,2004,556(1):41230
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