News tagged with circadian clock

Related topics: plants · circadian rhythms

Chronobiology—internal clocks in synch

Ludwig II of Bavaria is a particularly striking example of how differently people's internal clocks can tick. Historical sources tell us that the monarch usually carried out his government business at night and slept during ...

Oct 14, 2016
popularity37 comments 0

Circadian rhythm

A circadian rhythm is a roughly-24-hour cycle in the biochemical, physiological or behavioral processes of living entities, including plants, animals, fungi and cyanobacteria (see bacterial circadian rhythms). The term "circadian", coined by Franz Halberg, comes from the Latin circa, "around," and diem or dies, "day", meaning literally "approximately one day." The formal study of biological temporal rhythms such as daily, tidal, weekly, seasonal, and annual rhythms, is called chronobiology.

Circadian rhythms are endogenously generated, and can be entrained by external cues, called Zeitgebers, the primary one of which is daylight. These rhythms allow organisms to anticipate and prepare for precise and regular environmental changes.

This text uses material from Wikipedia, licensed under CC BY-SA

Subscribe to rss feed