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circadian
(redirected from Circadian clock)

    Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
cir·ca·di·an  (sr-kd-n, -kd-, sûrk-dn, -d-)
adj. Biology
Relating to or exhibiting approximately 24-hour periodicity.
[Latin circ, around; see circa + Latin dis, day; see dyeu- in Indo-European roots.]
cir·cadi·an·ly adv.
circadian [sɜːˈkeɪdɪən]
adj
(Life Sciences & Allied Applications / Biology) of or relating to biological processes that occur regularly at about 24-hour intervals, even in the absence of periodicity in the environment See also biological clock
[from Latin circa about + diēs day]
ThesaurusLegend:  Synonyms Related Words Antonyms
Adj.1.circadian - of or relating to biological processes occurring at 24-hour intervals; "circadian rhythms"
Translations
circadian [səˈkeɪdɪən] ADJ → circadiano
circadian cycle → ciclo m circadiano


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? Mentioned in ? References in periodicals archive
 
The area of the brain called the hypothalamus, which links the nervous system to the endocrine system by synthesizing and secreting neurohormones that affect sleep, emotions, body temperature, hunger and thirst, is the mainspring of our circadian clock.
Destination Points: Acupuncture Treatment for Jet Lag by Airguide Online
Soon after Berson's finding, Figueiro and others began testing how well blue light can reset people's circadian clocks.
Light impacts: hue and timing determine whether rays are beneficial ... by Raloff, Janet / Science News
Most mammalian cells function on an approximate 24-hour cell cycle, and the circadian clock has been implicated in regulating the phases of cell division.
Timeless protein plays a role in coupling cell cycle and circadian ... by Phelps, Jerry / Environmental Health Perspectives
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