Circadian Rhythm Regulation: The Role Of The Suprachiasmatic Nucleus And Pineal Gland
In the human body, the suprachiasmatic nucleus (SCN) in the hypothalamus acts as the master clock, coordinating with other organs and tissues to maintain a 24-hour circadian rhythm. The SCN receives light signals via the optic nerve, which help adjust the clock daily. The pineal gland produces melatonin, a hormone that promotes sleep, and its …
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