现代医学中应激一般是指机体遭受来自内、外环境和社会、心理等因素一定程度的伤害性刺激(高温、寒冷、感染、中毒、创伤、大手术、缺氧、恐怖及愤怒等)时,除了引起与刺激因素直接相关的特异性变化外,还引起一系列与刺激因素性质无直接关系的非特异性适应反应。这种非特异性反应称为应激 In modern medicine, stress usually means that the body suffers a certain degree of noxious stimulation (high temperature, cold, infection, poisoning, trauma, major surgery, hypoxia, terror and anger, etc.) from internal and external environment and social and psychological factors , In addition to causing specific changes that are directly related to the stimulus, it also causes a series of non-specific adaptive responses that are not directly related to the nature of the stimulus. This non-specific reaction is called stress