BACKGROUND: Circadian ( approximately 24 hr) rhythms are generated by the central pacemaker localized to the suprachiasmatic nucleus (SCN) of the hypothalamus. Although the basis for intrinsic rhythmicity is generally understood to rely on transcription factors encoded by "clock genes". less is known about the daily regulation of SCN neuronal activity patterns that communicate a circa... https://www.chiggate.com/blue-rottnest-island-daisy-seeds-supply/