| CQ | chloroquine; chloroquine-quinine; circadian quotient; conceptual quotient |
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| CT | Circadian Time |
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| CR | circadian rhythm |
| circadian | Relating to biologic variations or rhythms with a cycle of about 24 hours. Compare: infradian, ultradian. Origin: L. Circa, about, + dies, day (05 Mar 2000) |
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| circadian clock | <physiology> A biological timing mechanism that controls cell synchronisation (a entire population of cells divides simultaneously). (09 Oct 1997) |
| circadian rhythm | The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs and stimuli, hormone secretion, sleeping, feeding, etc. This rhythm seems to be set by a 'biological clock' which seems to be set by recurring daylight and darkness. (12 Dec 1998) |
Synonyms : Circadian Rhythms, Diurnal Rhythms, Nyctohemeral Rhythms, Rhythm, Circadian, Rhythm, Diurnal, Rhythm, Nyctohemeral, Rhythm, Twenty-Four Hour, Rhythms, Circadian, Rhythms, Diurnal, Rhythms, Nyctohemeral, Rhythms, Twenty-Four Hour, Twenty Four Hour Rhythm
| circadian |
of or relating to biological processes occurring at 24-hour intervals; "circadian rhythms"
Ãâó: wordnet.princeton.edu/perl/webwn
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| circadian rhythm |
a daily cycle of activity observed in many living organisms
Ãâó: wordnet.princeton.edu/perl/webwn
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| circadian |
(cir
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| circadian rhythm sleep disorder |
[DSM-IV] a sleep disorder of the dyssomnia group, consisting of a lack of synchrony between the schedule of sleeping and waking required by the external environment and that of a person's own circadian rhythm. It usually has an environmental cause such as rotating shift work or long-distance air travel, although some individuals simply have natural circadian rhythms sharply different from the predominant one of their society.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| circadian |
Of physiological activity, etc.: occurring or recurring about once a day. cf diurnal.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E06.htm
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| circadian | of or relating to biological processes occurring at 24-hour intervals |
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| circadian | a daily cycle of activity observed in many living organisms |
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