Circadian Rhythm

The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs or environmental and physiological stimuli.

Year introduced: 1966(1964)

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Tree Number(s): G07.180.562.190

MeSH Unique ID: D002940

Entry Terms:

• Circadian Rhythms
• Rhythm, Circadian
• Rhythms, Circadian
• Nycthemeral Rhythm
• Nycthemeral Rhythms
• Rhythm, Nycthemeral
• Rhythms, Nycthemeral
• Nyctohemeral Rhythm
• Nyctohemeral Rhythms
• Rhythm, Nyctohemeral
• Rhythms, Nyctohemeral
• Twenty-Four Hour Rhythm
• Rhythms, Twenty-Four Hour
• Rhythm, Twenty-Four Hour
• Twenty Four Hour Rhythm
• Twenty-Four Hour Rhythms
• Diurnal Rhythm
• Diurnal Rhythms
• Rhythm, Diurnal
• Rhythms, Diurnal

See Also:

• Biological Clocks
• Photoperiod
• Chronotherapy
• Circadian Clocks

All MeSH Categories
Phenomena and Processes Category
Physiological Phenomena
Chronobiology Phenomena
Periodicity
Circadian Rhythm
Chronotype