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词汇 zeitgeber
释义

Definition of zeitgeber in English:

zeitgeber

nounˈzʌɪtɡeɪbəˈtsītˌɡābər
Physiology
  • A rhythmically occurring natural phenomenon which acts as a cue in the regulation of the body's circadian rhythms.

    Example sentencesExamples
    • Consider one zeitgeber that virtually all businesses share: the quarterly business calendar.
    • And while light is a common zeitgeber, other external stimuli can play this role as well.
    • Scientists call external time cues zeitgebers.
    • In the natural environment, there is often more than one zeitgeber acting at the same time.
    • Much remains to be learned about zeitgebers for these tissues.
    • Several candidates have been suggested as the zeitgebers for peripheral clocks, including glucocorticoids, retinoic acid and melatonin.
    • Future studies will be required to answer these important questions, as well to identify the major zeitgebers affecting the circadian clock of the heart.
    • You are in conflict with all of the zeitgebers around you, and your need to work preserves this conflict.
    • The major zeitgebers pertinent to athletic performance include diet, daylight and temperature, exercise, social interactions, and drugs.
    • All zeitgebers mirror the cycle length of the earth's rotation and they therefore shaped circadian systems as they evolved.
    Synonyms
    signal, sign, indication, prompt, reminder, prompting

Origin

Mid 20th century: from German Zeitgeber, from Zeit 'time' + Geber 'giver'.

Definition of zeitgeber in US English:

zeitgeber

nounˈtsītˌɡābər
Physiology
  • A rhythmically occurring natural phenomenon which acts as a cue in the regulation of the body's circadian rhythms.

    Example sentencesExamples
    • Future studies will be required to answer these important questions, as well to identify the major zeitgebers affecting the circadian clock of the heart.
    • Much remains to be learned about zeitgebers for these tissues.
    • Consider one zeitgeber that virtually all businesses share: the quarterly business calendar.
    • And while light is a common zeitgeber, other external stimuli can play this role as well.
    • All zeitgebers mirror the cycle length of the earth's rotation and they therefore shaped circadian systems as they evolved.
    • In the natural environment, there is often more than one zeitgeber acting at the same time.
    • Scientists call external time cues zeitgebers.
    • The major zeitgebers pertinent to athletic performance include diet, daylight and temperature, exercise, social interactions, and drugs.
    • You are in conflict with all of the zeitgebers around you, and your need to work preserves this conflict.
    • Several candidates have been suggested as the zeitgebers for peripheral clocks, including glucocorticoids, retinoic acid and melatonin.
    Synonyms
    signal, sign, indication, prompt, reminder, prompting

Origin

1950s: from German Zeitgeber, from Zeit ‘time’ + Geber ‘giver’.

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