Circaseptan
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A circaseptan rhythm is a cycle consisting of approximately 7 days in which many biological processes of life, such as cellular immune system activity, resolve.


See also

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Circadian rhythm A circadian rhythm (), or circadian cycle, is a natural, internal process that regulates the sleep–wake cycle and repeats roughly every 24 hours. It can refer to any process that originates within an organism (i.e., endogenous) and responds to ...
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Chronobiology Chronobiology is a field of biology that examines timing processes, including periodic (cyclic) phenomena in living organisms, such as their adaptation to solar- and lunar-related rhythms. These cycles are known as biological rhythms. Chronob ...


References


Further reading

* Halberg F et al. 1965: "Spectral resolution of low-frequency, small-amplitude rhythms in excreted 17-ketosteroid: probable androgen-induced circaseptan desynchronization". Acta Endocrinol. Suppl. 103, 5-54 * Kaiser H, Cornelissen G, Halberg F 1990: "Palaeochronobiology circadian rhythms, gauges of adaptive Darwinian evolution: about 7-day circaseptan rhythms, gauges of integrative evolution". In: Chronobiology - its role in clinical medicine (eds. Hayes DK, Pauly JE, Reiter RJ) Wiley-Liss Inc., New York, pp. 755–762 * * Uezono K et al. 1987: Circaseptan rhythm in sodium and potassium excretion in salt-sensitive and salt-resistant 'Dahl rats'". Progr Clin Biol Res 227A, 297-307 *{{cite journal , pmc=2577283 , pmid=18985163 , volume=78 , issue=2 , year=2005 , journal=SCR Med (Brno) , pages=89–98 , last1 = Cornélissen , first1 = G , title=Mapping of Circaseptan and Circadian Changes in Mood , last2 = Watson , first2 = D , last3 = Mitsutake , first3 = G , last4 = Fišer , first4 = B , last5 = Siegelová , first5 = J , last6 = Dušek , first6 = J , last7 = Vohlídalová , first7 = Svaèinová H , last8 = Halberg , first8 = F Circadian rhythm Weeks