Last Updated：2025/11/26

All the coordinated physiological responses that the sympathetic nervous system initiates in response to stress or other emergency situations.

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fight-or-flight

Source Word

fight-or-flight

Noun

uncountable

All the coordinated physiological responses that the sympathetic nervous system initiates in response to stress or other emergency situations.

Japanese Meaning

闘争逃走反応 / ストレスや緊急時に交感神経系が引き起こす一連の生理学的反応の総称

ハイカーたちがクマを見たとき、彼らの闘争・逃走反応が働き、アドレナリンが急増して心拍が速まり筋肉が活動に備えた。

Sense（1）

All the coordinated physiological responses that the sympathetic nervous system initiates in response to stress or other emergency situations.