貪食作用とは - わかりやすく解説 Weblio辞書

食作用

出典: フリー百科事典『ウィキペディア（Wikipedia）』 (2024/04/07 20:18 UTC 版)

食作用（しょくさよう、英: phagocytosis^{[注釈 1]}、ファゴサイトーシス）または貪食（どんしょく）は、細胞がその細胞膜を使って大きな粒子（0.5 μm以上）を取り込み、ファゴソーム（食胞）と呼ばれる内部区画を形成するプロセスである。これはエンドサイトーシスの一種である。食作用を行う細胞を食細胞（ファゴサイト）と呼ぶ。

脚注

注釈

^ 言語は古代ギリシャ語 φαγεῖν (phagein) で意味は'摂食する', and κύτος, (kytos) で意味は'細胞'

出典

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