le métronome

A movie of circadian rhythms …recorded from mouse SCN neurons in a cultured slice over a period of seven days, showing that the cells oscillate with the same periods and similar phases, in a complex spatiotemporal pattern. This is a coronal slice of the ventral hypothalamus, including the bright bioluminescent left and right SCN, the third ventricle between them, and the optic chiasm below.

video from the 2010 review by David K. Welsh, Joseph S. Takahashi, and Steve A. Kay, « Suprachiasmatic Nucleus: Cell Autonomy and Network Properties, » from the Annual Review of Physiology
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