circadian /cir·ca·di·an/ (ser-ka´de-an) denoting a 24-hour period; see under rhythm.
Circadian
circadian [ser″kah-de´an, ser-ka´de-an]
cir·ca·di·an (s r-k  d -n, -k d-, sûr k-d n, -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 [ser″kah-de´an, ser-ka´de-an]
denoting a period of one day, or repeating every day; see circadian rhythm.
circadian rhythm sleep disorder 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 the person's own circadian rhythm. The cause is usually environmental, such as rotating shift work or long-distance air travel, but some individuals simply have natural circadian rhythms sharply different from the predominant one of their society.
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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