Sentence examples for by the master clock from inspiring English sources

A physical realization of UTC (Coordinated Universal Time) by the master clock system in a time laboratory is named UTC(k).

All these clocks are controlled by the hormone melatonin, which is produced by the master clock when it gets dark to make us feel drowsy, and controls our body temperature when we sleep.

Daily and seasonal rhythms are coordinated in mammals by the master clock that lies in the suprachiasmatic nuclei (SCN) of the hypothalamus.

In mammals, self-sustained circadian oscillators are present in most peripheral tissues and are coordinated by the master clock residing in the suprachiasmatic nuclei (SCN) of the anterior hypothalamic region [1].

Under this restricted feeding regimen, rodents exhibit two distinct bouts of activity, a nocturnal activity rhythm that is entrained to the light-dark cycle and controlled by the master clock in the suprachiasmatic nuclei (SCN) and a daytime bout of activity that is phase-locked to mealtime.

Many physiological activities that are normally dictated by the master clock in the SCN are altered by RF, such as hepatic P450 activity, body temperature, locomotor activity, and heart rate [ 142- 145].

Timing uncertainty is introduced by jitter in the master clock, the laser driver, the detector (silicon SPAD) and the timing electronics.

The hypothalamic suprachiasmatic nucleus (SCN) composed of ∼20,000 densely packed neurons acts as the master clock by orchestrating molecular oscillations in peripheral tissues (Welsh et al., 2010).

Moreover, such an explanation presumes that nuclei in the brain directing sleep timing are affected by this hormone, but that the master clock in the suprachiasmatic nuclei is not (since no corresponding changes in human behavioral period have been documented).

This oxytocin rhythm does not shift with changes in the light cycle (as in transmeridian travel or shift work) during gestation indicating that it is controlled by a circadian pacemaker distinct from the master clock that regulates locomotor activity.

The primary hypothesis being addressed in this paper is that temporal organization of peripheral clocks may be maintained in vivo by light and/or feeding cues, when the master clock in the suprachiasmatic nuclei is genetically altered.