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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Koniocellular cell ： ウィキペディア英語版 Koniocellular cell A koniocellular cell (K-cell) is a neuron whose cell body is located in the koniocellular layer of the lateral geniculate nucleus (LGN) in primates, including humans. The koniocellular cells receive their input from bistratified retinal ganglion cells exiting the optic tract, and send their information via relay neurons in the optic radiation to the primary visual cortex. The koniocellular layers are located between the magnocellular and parvocellular layers, in thin interlaminar regions of the LGN. As part of a general pattern, K neurons form robust layers through the full representation of the visual hemifield. ==Input to cells== The small-field bistratified retinal ganglion cells have their cell body in the retina, and extend their axons to the LGN. The first synapse in the central visual pathway is the bistratified cell with the koniocellular cell in the LGN. The LGN of primates, located in the thalamus, is a laminated structure with six distinct layers of neurons. The LGN receives the sensory input from the retinal ganglion cells, and divides the incoming information into the four dorsal parvocellular and two ventral magnocellular layers. The koniocellular layers are interspersed between the magnocellular and parvocellular layers. The visual information from the two eyes are kept separate at this point, and are not brought together until reaching the visual cortex. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Koniocellular cell」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.