| 词汇 | circadian-clock |
| 释义 | circadian clock noun[ C ] uk /sɜːˌkeɪ.di.ən ˈklɒk/ us /sɝːˌkeɪ.di.ən ˈklɑːk/ a natural process in animals and plants that controls when things such as sleeping, eating, or growing happen during a 24-hour period: Our circadian clock makes it difficult to sleep during the day. The circadian clock controls the body's 24-hour cycle and affects metabolism, sleep rhythms, and biological functions. Synonym circadian rhythm When people work at night, the circadian clock gets knocked off its traditional course, which can have negative biological consequences. The body's internal circadian clock can be affected by light exposure. The circadian clock governs everything from flowering to hormone secretion in plants. Relating to regular periods of time afternoons annual annum bi-yearly biannual dailiness daily daily grind evenings fortnightly hourly nights p.c.m. p.w. per annum quadrennial quadrennially triennial triennially weekly You can also find related words, phrases, and synonyms in the topics: Animal & plant biology - general words |
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