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The tendency of a phenomenon to recur at regular intervals; in biological systems, the recurrence of certain activities (including hormonal, cellular, neural) may be annual, seasonal, monthly, daily, or more frequently (ultradian).

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Tree Number(s): G01.910.645, G07.180.562

MeSH Unique ID: D010507

Entry Terms:

  • Periodicities
  • Bioperiodicity
  • Bioperiodicities
  • Rhythmicity
  • Rhythmicities
  • Cyclicity
  • Cyclicities
  • Biorhythms
  • Biorhythm
  • Biological Rhythms
  • Biological Rhythm
  • Rhythm, Biological
  • Rhythms, Biological

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