circadian rhythm
Regular cycle of behaviour with a period of approximately 24 hours. In most animals the endogenous periodicity, which may be of longer or shorter duration, is entrained to 24h by environmental cues. See periodic and timeless.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Circadian rhythm — Circadian redirects here. For the album by the rock band 5th Projekt, see Circadian (album). Some features of the human circadian biological clock A circadian rhythm, popularly referred to as body clock, is an endogenously driven, roughly 24 hour …   Wikipedia

  • circadian rhythm — circadian rhythm. См. циркадный ритм. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • circadian rhythm — Inherent cycle of approximately 24 hours in length that appears to control or initiate various biological processes, including sleep, wakefulness, and digestive and hormonal activity. The natural signal for the circadian pattern is the change… …   Universalium

  • circadian rhythm — noun The internal body clock that regulates the (roughly) 24 hour cycle of biological processes in animals and plants. See Also: circadian …   Wiktionary

  • circadian rhythm — the regular recurrence in cycles of approximately 24 hours from one point to another, such as with certain biological activities that recur regardless of long periods of darkness or other changes in environmental conditions …   Medical dictionary

  • circadian rhythm — (Roget s 3 Superthesaurus) n. biorhythm, cycles, body clock …   English dictionary for students

  • circadian rhythm — /sɜkeɪdiən ˈrɪðəm/ (say serkaydeeuhn ridhuhm) noun the roughly 24 hour cycle in which physiological processes occur, some being affected by external factors such as sunlight and temperature …   Australian English dictionary

  • circadian rhythm — noun a daily cycle of activity observed in many living organisms • Hypernyms: ↑biological time …   Useful english dictionary

  • Circadian rhythm sleep disorder — Classification and external resources ICD 10 G47.2 ICD 9 327.3 …   Wikipedia

  • Circadian Rhythm (film) — This article is about the thriller movie. For the biological function, see Circadian rhythm. Circadian Rhythm is a movie that focuses on a young woman and her radical journey to discover who she is and to find out why multiple enemies want her… …   Wikipedia

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