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SCN Master Clock Function

Meaning

SCN Master Clock Function refers to the primary, overarching role of the suprachiasmatic nucleus, a small paired nucleus in the hypothalamus, as the central pacemaker that meticulously coordinates all endogenous biological rhythms throughout the entire body. This nucleus acts as the master orchestrator, generating and reliably maintaining the near 24-hour periodicity of the circadian system and precisely synchronizing the phase of peripheral “slave” oscillators in other organs. The functional integrity of this complex system is essential for the rhythmic secretion of hormones, the sleep-wake cycle, and systemic metabolic homeostasis.