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, Bioperiodicities, Rhythmicity, Biological Rhythms, Rhythm, Biological, Periodicities, Cyclicities, Rhythmicities, Biorhythm, 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

Instance relations