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这是一种被称为睡眠类型的昼夜节律的良性变化。 This is a benign variation within circadian rhythms known as a chronotype. | ||
长期光照和松果腺摘除能破坏昼夜节律系统的正常功能。 Constant light and pinealectomy can destroy the function of circadian rhythm system. | ||
哺乳动物中调节昼夜节律的是两个调节神经细胞群，称为视交叉上核中的下丘脑。 The circadian rhythm in mammals is regulated by two clusters of nerve cells called the suprachiasmatic nuclei (SCN) in the anterior hypothalamus. | ||
肾素- 血管紧张素-醛固酮系统在血压昼夜节律的调节中起着关键作用。 The renin-angiotensin-aldosterone system plays an important role in regulating the circadian rhythms of blood pressure. | ||
人类的褪黑激素水平在夜晚上升，以响应黑暗和昼夜节律钟发出的信号。 In humans melatonin levels rise at night, in response to darkness and cues from the circadian clock. | ||
在持续的黑暗中，即使是15分钟突然出现的光线也能重新设定动物的昼夜节律。 Even a fifteen-minute burst of light in otherwise sustained darkness can reset an animal's circadian rhythm. | ||
最被熟知的，德库西说，是生理的或昼夜节律像睡眠-清醒节律、每日活动节律、或者乘坐飞机旅行的时差感和轮班工作病。 The best-known ones, DeCoursey says, are circadian or daily rhythms such as the sleep-wake rhythm, daily activity rhythms, or jet lag and shift-work maladies. | ||
