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論文(リポジトリ) |
論文(リポジトリ)
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芹澤, 正博 ; 星野, 嘉恵子 ; 平野, 茂樹 ; 車田, 正男
概要:
Projections from the visual cortical areas to the striatum and superior colliculus are believed to play integral roles in visual attentive and orienting behaviors. In the cat, the direct corticotectal and indirect corticostriatal
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(via the substanita nigra) projections of the lateral suprasylvian cortex (LS) are thought to converge on neurons situated in the deep laminae of the superior colliculus and exert their influences via the outputs of the superior colliculus (Norita et. '91).
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| 2.
論文(リポジトリ) |
論文(リポジトリ)
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星野, 嘉恵子 ; 周, 宜興 ; 車田, 正男
概要:
The lateral posterior complex (LP) of the thalamus receives a variety of different inputs from cortical and subcortical
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areas. We have previously demonstrated four types of vesicle containing profiles in this complex, and have identified GABA-ergic terminals. In this study, we examined the features by the light and electron microscopy of the immunoreactivity with antibodies raised against aspartate (Asp), glutamate (Glu), GABA, choline acetyltransferase (ChAT) and substance P (SP) in the LP complex. The following observations were found：(1) Asp and Glu；immunolabeled neurons were medium sized. Immunolabeled terminals were medium sized containing round vesicles and making asymmetrical synaptic contacts with dendritic profiles. (2) GABA；immunolabeled neurons were small. Immunolabeled terminals were small, contained pleomorphic synaptic vesicles and forming symmetrical synaptic contacts with dendritic profiles. (3) ChAT；no ChAT immunolabeled neurons were found. Immunolabeled terminals were small, and contained round vesicles making en passant, symmetrical and asymmetrical synaptic contacts with dendritic profiles. (4) SP；immunolabeled neurons were medium sized. Immunolabeled terminals were small containing round vesicles, and asymmetrical synaptic contacts with dendritic profile.
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