suprachiasmatic |
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| navigate by keyword : suprachiasmatic nucleus scn circadian rhythm body clock master brain melatonin pathway pineal gland function light dark cycle retinohypothalamic tract sleep wake production hypothalamus photic entrainment regulation diurnal chronobiology pacemaker blue effects biology human optic nerve synchronization hormone neuroscience timing system jet lag mechanism science signal illustration outline diagram |
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| Suprachiasmatic nucleus master clock guides circadian rhythm by light to SCN and pineal gland, brain, eye, melatonin pathway shown. Outline diagram |
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