翻訳と辞書 Words near each other ・ Telephone desk ・ Telephone directory ・ Telephone Entertainment Line ・ Telephone exchange ・ Telephone Exchange Building ・ Telephone Exchange Building (Norwich, Connecticut) ・ Telephone exchange names ・ Telephone Factory Lofts ・ Telephone Free Landslide Victory ・ Telephone Hills ・ Telephone Historical Centre ・ Telephone hook ・ Telephone House ・ Telenassa ・ TeleNav ・ Telencephalization ・ Telendos ・ Telenet ・ Telenet (Belgium) ・ Telenet (disambiguation) ・ Telenet Japan ・ Telenet Trophy ・ Telenet-Fidea ・ Telenești ・ Telenești District ・ Telengard ・ Telengits ・ Telenica (Canal 8) ・ TeleNiños ・ Telenka Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Telencephalization ： ウィキペディア英語版 Telencephalization Telencephalization is the process by which the brain, during very early stages of development, begins to be regulated by the more complex processes of the forebrain (mainly the telencephalon) rather than the more basic, or primitive neural centers as is observed in early development of the neural tube (). This intricate phenomenon is initiated by the asymmetrical division of progenitor cells, which not only gives rise to neuronal cells of the central nervous system, but also to glial cells (). ==Development of cerebral cortex== On the twenty-first day after conception for the human embryo, the neural tube develops, which ultimately becomes the central nervous system (brain and spinal cord). Throughout a period of a few short days, the neural tube becomes closed off and three chambers develop towards the anterior portion of the neural tube (). These chambers are known as the ventricles, and the tissue that surrounds them constitutes the three major sections of the brain: the forebrain, midbrain, and hindbrain. The telencephalon, the embryonic structure from which the mature cerebrum develops, resides in the forebrain. In development from the neural tube to the brain, which weighs approximately three pounds and contains billions of neurons, the cerebral cortex forms from the inside out. This means that the first progenitor cells to be produced travel a little distance and makes the first, or deepest, layer. The following cells that are produced must pass through each layer that was made before it, until all six layers of the cerebral cortex are fully realized. () 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「Telencephalization」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.