circadian rhythm

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  • noun

Words related to circadian rhythm

a daily cycle of activity observed in many living organisms

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References in periodicals archive ?
While it has been known that caffeine influences circadian clocks of even primitive creatures like algae and fruit flies, the new study shows that the internal clocks in human cells can be impacted by caffeine intake.
Biologists survey some of the recent research on the daily, or circadian rhythm of life.
Additionally, fatigue can result from the disruption of circadian rhythms, also known as the body's "biological clock.
The heart has an exceptionally strong circadian timing system, as is well-known to those in elite sports.
The study cited is the first research to measure personal circadian light exposure in office workers by using a device calibrated to measure circadian-effective light.
Instead, during aging stem cells continue to show rhythmic activity, but reprogram their circadian functions.
The research, published in the Journal of Physiology, shows that the retina has a group of cells that communicate directly with the suprachiasmatic nucleus (SCN)--a region of the brain responsible for coordinating circadian rhythm.
Many Individuals have a routine set up and schedule in which they do their work based on timings that keep their circadian rhythm undisturbed.
Now, scientists at the Salk Institute and collaborators have discovered a key player--a protein called REV-ERBα--that controls the strength of this circadian rhythm in mammals.
According to the National Sleep Foundation, the human body consists of circadian clock genes, or simply known as an internal body clock, which regulates the way the body works each day.
In this regard, we would like to highlight two sources of animal diversity that could be relevant: 1) the differential--and genetically codetermined--circadian propensity for activity and rest with which the mice are born, and 2) the differential stability of circadian rhythms in later life stages of mice, to which perinatal photoperiods may contribute.
ClickPress, Wed Apr 29 2015] Global Markets Direct's, 'Circadian Technologies Limited - Product Pipeline Review - 2015', provides an overview of the Circadian Technologies Limited's pharmaceutical research and development focus.
George Brainard from Thomas Jefferson University, which revealed that the human eye possesses a set of non-vision photoreceptors that helps regulate circadian rhythm and production of important neurochemicals, impacting everything from sleep and mood to the health of the human immune system.
Most organisms are typically more active at certain times of the day or night, and this tendency is controlled, in part, by endogenous circadian clocks.