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).
Synonyms: Rhythms, Biological, Periodicity, Rhythmicity, Bioperiodicities, Biological Rhythms, Rhythm, Biological, Periodicities, Biorhythm, Cyclicities, Rhythmicities, Biological Rhythm, Cyclicity, Biorhythms, Bioperiodicity
Instance information
comment
coordinate with specific disease for periodically occurring disease; do not confuse with PERIODIC DISEASE see FAMILIAL MEDITERRANEAN FEVER
identifier
D010507