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Pineal Gland Function

Meaning

Pineal gland function centers on its role as a neuroendocrine transducer, converting nerve signals from the sympathetic nervous system into hormonal output, primarily the synthesis and secretion of melatonin. This small gland, situated deep within the brain, acts as the master regulator of the body’s circadian rhythms, linking environmental light cues to internal physiological cycles. Its optimal function is essential for sleep architecture, antioxidant defense, and the modulation of other endocrine axes.