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Circadian
(redirected from Circadian clock)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
circadian /cir·ca·di·an/ (ser-ka´de-an) denoting a 24-hour period; see under rhythm.
cir·ca·di·an (sr-kd-n, -kd-, sûrk-dn, -d-)
adj.
Relating to biological variations or rhythms with a cycle of about 24 hours.
Circadian
Pertaining to biological rhythms occurring at approximately 24-hour intervals. Jet lag is caused by a disruption of the human body's circadian clock.
Mentioned in: Jet Lag
circadian
denoting a period of about 24 hours.
circadian clock
the daily rhythm of physiological activity as expressed by the Chinese circadian clock. This explains the flow of energy or Qi through the body, via the meridians, each meridian having two hours of maximum and two of minimum function in every day.
circadian rhythm
the regular recurrence of certain phenomena in cycles of approximately 24 hours, e.g. biological activities that occur at about the same time each day (or night) regardless of constant darkness or other conditions of illumination.
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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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