…The cerebral cortex is considered to play the most important role in the central nervous system, but there is not much knowledge about its structure and function. The cerebral cortex consists of parts that have been present since lower vertebrates and parts that only appear in higher vertebrates. The former is called the phylogenetically old cortex and the latter the new cortex (neocortex). In terms of ontogeny, there are parts that form early in development and parts that form later in development, and the former and latter roughly correspond to the old cortex and the new cortex. … *Some of the terminology that refers to the "neocortex" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…大脳皮質は,中枢神経系のなかでも最も高度な役割をもつところとされているが,その構造―機能についての知識は必ずしも豊富ではない。大脳皮質には,下等な脊椎動物からすでに存在している部分と,高等になって初めて出現する部分とがあり,前者を系統発生的に古い皮質,後者を新しい皮質(新皮質)という。また個体発生的にみた場合,発生初期にできる部分と,発生が進んでからできる部分とがあり,前者と後者とは古い皮質と新しい皮質とにほぼ対応する。… ※「新しい皮質」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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