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Most physiology and behavior of mammalian organisms follow daily oscillations. These rhythmic processes are governed by… Expand PURPOSE
The putative circadian photoreceptor melanopsin is found in rodents in a subpopulation of intrinsic light-sensitive… Expand Mammalian circadian rhythms generated in the hypothalamic suprachiasmatic nuclei are entrained to the environmental light/dark… Expand All known eukaryotic organisms exhibit physiological and behavioral rhythms termed circadian rhythms that cycle with a near-24… Expand Photoperiodism is a process whereby organisms are able to use both absolute measures of day length and the direction of day… Expand The retinohypothalamic tract (RHT) relays photic information from the eyes to the suprachiasmatic nucleus (SCN). Activation of… Expand The retinohypothalamic tract (RHT) relays photic information from the eyes to the suprachiasmatic nucleus (SCN). Activation of… Expand The retina transduces photic stimuli and transmits that information centrally for further processing. This review emphasizes the… Expand The suprachiasmatic nuclei receive photic input information directly through a retinohypothalamic tract (RHT) and indirectly… Expand The organization of retinohypothalamic tract (RHT) projections in the rat and hamster was studied using anterograde transport of… Expand