Circadian clocks

Pronunciation: /sir-kay-di-an kloks/

Category: Physiology

Singular: Circadian clock

Plural: Circadian clocks

Definition

Biological timekeeping mechanisms that regulate daily rhythms in physiological processes and behavioral patterns, often influenced by environmental cues such as light and temperature.

Etymology

Example

The circadian clock of many birds regulates their daily sleep-wake cycle.

Related Terms

Rhythm
Timekeeping
Chronobiology
Behavior

Usage Notes

Circadian clocks are influenced by environmental cues like light and temperature.