diapause

Japanese: diapause
diapause

…This state is called dormancy in the broad sense, and includes hibernation and estivation. However, organisms often cease activity not simply as a direct response to external conditions, but rather by actively switching their physiological state to endure inappropriate periods, and in such cases it is usually called diapause in the strict sense. The physiological mechanisms of dormancy vary depending on the species, but what is noteworthy is that organisms do not enter a dormant state as a result of a deterioration in the environment, but rather enter into dormancy in advance, knowing that a change is coming. …

*Some of the terminology that mentions "diapause" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この状態は広義の休眠dormancyといわれ,冬眠や夏眠もこれに含められる。しかし生物は単に外界条件の直接作用によってではなく,むしろ積極的に生理状態を切り換えて活動を停止し,不適当な時期をのり切っていることが多く,ふつうこのような場合を厳密な意味の休眠diapauseと呼ぶ。休眠の生理機構は生物の種によってさまざまであるが,注目すべきは環境が悪化した結果として休眠状態に入るのではなく,あらかじめ変化の到来を知って休眠することである。…

※「diapause」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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