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复眼输入到鲎脑的视网膜拓扑组织

Retinotopic organization of lateral eye input to Limulus brain.

作者信息

Chamberlain S C, Barlow R B

出版信息

J Neurophysiol. 1982 Aug;48(2):505-20. doi: 10.1152/jn.1982.48.2.505.

DOI:10.1152/jn.1982.48.2.505
PMID:7119860
Abstract
  1. The retinotopic organization of retinal inputs from the lateral eye of Limulus to the optic ganglia of the brain was determined from microelectrode recordings of nerve impulses. 2. The central connections of the natural subunits of the lateral optic nerve were determined using cobalt impregnation of cut axons. 3. Complete retinal maps exist in both the lamina and medulla. The laminar map is a simple rotation and folding of the retinal array. The medullar map is more complex as a result of the combined effects of the chiasma and the basic subunit structure of the optic nerve, which is preserved in the lamina and medulla. 4. The chiasma between the lamina and medulla reverses the anterior-posterior axis of the retinal map. There is no corresponding reversal in the dorsal-ventral axis.
摘要
  1. 通过对神经冲动的微电极记录,确定了鲎侧眼视网膜输入到脑视神经节的视网膜拓扑组织。2. 使用切断轴突的钴浸染法确定了外侧视神经天然亚基的中枢连接。3. 视网膜完整图谱存在于层和髓质中。层图谱是视网膜阵列的简单旋转和折叠。由于视交叉和视神经基本亚基结构的联合作用,髓质图谱更为复杂,而这种结构在层和髓质中得以保留。4. 层和髓质之间的视交叉使视网膜图谱的前后轴发生反转。背腹轴没有相应的反转。

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