NIH MeSH · D000204Phenomena and Processes

Activity Cycles

Also known asActivity Cycle · Cycle, Activity · Cycles, Activity

Definition

Bouts of physical irritability or movement alternating with periods of quiescence. It includes biochemical activity and hormonal activity which may be cellular. These cycles are shorter than 24 hours and include sleep-wakefulness cycles and the periodic activation of the digestive system.

MeSH classification

  • G07.180.562.797.500

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Source: NIH MeSH 2026 (D000204) — National Library of Medicine, public domain. View official MeSH record ↗