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Changes: Biological rhythms


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==See also==
==See also==
*[[Biological life cycle]]
*[[Chronobiology disorders]]
*[[Chronobiology disorders]]
*[[Circadian rhythm]] a ''roughly 24 hour cycle''
*[[Circadian rhythm]] a ''roughly 24 hour cycle''

Revision as of 11:27, July 2, 2013

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Biological clock human

Overview of human "circadian biological clock" with some physiological parameters.

Chronobiology is a field of science that examines periodic (cyclic) phenomena in living organisms and their adaptation to solar and lunar related rhythms.[1] These cycles are known as biological rhythms. "Chrono" pertains to time and "biology" pertains to the study, or science, of life. The related terms chronomics and chronome have been used in some cases to describe either the molecular mechanisms involved in chronobiological phenomena or the more quantitative aspects of chronobiology, particularly where comparison of cycles between organisms is required.

Chrobiological studies include but are not limited to comparative anatomy, physiology, genetics, molecular biology and behavior of organisms within biological rhythms mechanics.[1]


Variations in the timing and duration of biological activity (eg eating, sleeping, mating, hibernating, migration, cellular regeneration, etc), occur in both animals and man.

See also


  1. 1.0 1.1 Patricia J. DeCoursey, Jay C. Dunlap, Jennifer J. Loros (2003). Chronobiology, Sinauer Associates Inc.

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