fight-or-flight response

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Related to Fight or flight response: General adaptation syndrome

fight-or-flight response

(fīt′ôr-flīt′)
n.
A set of physiological changes, such as increases in heart rate, arterial blood pressure, and blood glucose, initiated by the sympathetic nervous system to mobilize body systems in response to stress.
References in periodicals archive ?
Anxiety and stress are the most common prompts for the fight or flight response and the resulting cold sweats.
When we perceive a threat, our brains trigger the fight or flight response.
It's preparation for a fight or flight response, but as it's not a physical challenge the response is actually inappropriate.
The other possibility is physiological: a problem with the stress system known as the fight or flight response.