Suprachiasmatic nucleus

（重定向自Suprachiasmatic nuclei）

A thermographic image of an ectothermic snake wrapping around the hand of an endothermic human

A variation of an eskinogram showing the influence of light and darkness on circadian rhythms and related physiology and behavior through the SCN in humans

The suprachiasmatic nucleus or nuclei (SCN) is a tiny region of the brain in the hypothalamus, situated directly above the optic chiasm. It is responsible for controlling circadian rhythms. The neuronal and hormonal activities it generates regulate many different body functions in a 24-hour cycle, using around 20,000 neurons.

单词	Suprachiasmatic nuclei
释义	Suprachiasmatic nuclei 原声例句 TED-Ed（视频版） Siffre, stuck in his dark cave, relied on the most primitive clock in the suprachiasmatic nucleus, or SCN of the hypothalamus. Siffre 困在他的黑暗洞穴中，依靠视交叉上核或下丘脑 SCN 中最原始的时钟。英语百科 Suprachiasmatic nucleus （重定向自Suprachiasmatic nuclei） The suprachiasmatic nucleus or nuclei (SCN) is a tiny region of the brain in the hypothalamus, situated directly above the optic chiasm. It is responsible for controlling circadian rhythms. The neuronal and hormonal activities it generates regulate many different body functions in a 24-hour cycle, using around 20,000 neurons.
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