鶏網膜におけるα型視神経細胞の分布

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タイトル別名
  • Distribution of the .ALPHA.-type ganglion cells in the chicken retina.
  • 鶏網膜におけるα型視神経細胞の分布〔英文〕
  • ニワトリ モウマク ニ オケル アルファガタ シシンケイ サイボウ ノ ブンプ

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The distribution of retinal ganglion cells, particularly the α-type ganglion cells, in the chicken retinae was studied with whole mount preparations stained with cresyl violet. The density maps of all the cells including the glial cells and the displaced amacrine cells in the retinal ganglion cell layer showed that the area centralis was the region of the highest cell density. There was a drop in density about the circumference of the area centralis in all directions without the formation of the visual streak. However, the decrease in cell density was not so remarkable toward the superior-temporal region. The α-type ganglion cells in the area centralis were less numerous than those in the peripheral regions. The density of the α-type ganglion cells was higher in the inferior-temporal, inferior, inferior-nasal, nasal and superior-nasal fegions compared with that in the other regions. The distribution of the α-type ganglion cells in the chicken retina differed considerably from that in mammals.

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