…Such connections are densely developed between cells in the same tissue, and are thought to play a role in grouping cell functions. For communication between distant cells, there is a mechanism by which hormones and nutrients carried by circulating body fluids are captured by cells in target organs, and receptors specific to each substance are distributed on the outside of the cell membrane. Only cells with receptors distributed there can accept the substance as information, so even if there are many information substances in small quantities, the individual pieces of information are organized and delivered accurately. … *Some of the terminology that mentions "receptor" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…同一組織内の細胞間にはこのような結合が密に発達していて,細胞機能のグループ化に働いていると考えられる。 遠く離れた細胞間のコミュニケーションには,体液の循環によって運ばれるホルモンや栄養物質が,標的器官の細胞にキャッチされるしくみがあって,それぞれの物質に特異的な受容体receptorが細胞膜の外側に分布している。受容体が分布する細胞だけがその物質を情報として受け入れられるので,少量で多数の情報物質があっても個々の情報は整理され,的確にとどけられているのである。… ※「receptor」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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