Organism Function
biological clock
bi·o·log·i·cal clock
Subclass of:
Periodicity
Definitions related to biological clocks:
  • Physiological mechanisms that govern the rhythmic occurrence of certain biochemical, physiological, and behavioral phenomena in plants and animals.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The physiological mechanisms that govern the rhythmic occurrence of certain biochemical, physiological, and behavioral phenomena.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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