Which of the following centers are involved in maintaining the circadian rhythm?
Correct Answer: Suprachiasmatic nuclei
Description: The entrainment process in most cases is dependent on the suprachiasmatic nuclei (SCN) located bilaterally above the optic chiasma. Efferents from the SCN initiate neural and hormonal signals that enteain a wide variety of well known circadian rhythms including the sleep wake cycle and the secretion of the pineal hormone melatonin.
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Physiology
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