应激(Stress)系指在不良环境刺激下机体出现的一系列反应。有时也用来表示环境刺激,近来文献上,用应激原(Stressor)代表引起应激的刺激。应激原可分为心理社会应激原和生物性应激原,前者是指经过人的认知过程中才引起人体应激的刺激;后者是指一些物质或现象不经过人的大脑皮层即可直接引起应激,例如咖 Stress refers to a series of reactions that occur in the body under adverse environmental stimuli. Sometimes it is used to indicate environmental stimuli. Recently, stressors have been used to induce stressful stimuli. The original stress can be divided into psychological and social stressors and biological stressors, the former refers to the process of human cognition caused by stimulation of human stress; the latter refers to the number of substances or phenomena without human cortex Can directly cause stress, such as coffee