English
Adjective
en-adj|more
#biology of, relating to, or showing rhythmic behaviour with a period of 24 hours; especially of a biological process
#* 2000, Arnold Sameroff, et al., Handbook of Developmental Psychopathology, page 310
#*: The circadian clock is involved in the regulation of the diurnal sleep-wake cycle, [�].
#* 2002, Jill B. Becker, Behavioral Endocrinology, page 483
#*: To summarize, the circadian system, particularly the SCN, controls the circadian pattern of melatonin release in mammals.
#* 2005, Paul Martin, Counting Sheep: The Science and Pleasures of Sleep and Dreams, page 114
#*: The most obvious circadian rhythm is the daily cycle of sleep and activity.
Derived terms
circadian rhythm
See also
infradian
ultradian
vi:circadian
zh:circadian
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