Definition of ultradian in English:

ultradian

adjective ʌlˈtreɪdɪənəlˈtrādēən

Physiology

(of a rhythm or cycle) having a period of recurrence shorter than a day but longer than an hour.
〔生理〕次昼夜的，亚昼夜的。比较INFRADIAN
Compare with infradian
Example sentencesExamples
- Failure to synchronize your patterns of activity and stimulation with your body's natural circadian and ultradian rhythms puts a stress on the system.
- In addition, the timing of an ultradian rhythm, the defecation cycle, is lengthened compared to wild type.
- These rhythmic contractions represent an ultradian cycle in worms that repeats every 47-50 sec and is controlled through inositol trisphosphate receptors in the posterior gut cells.
- Still slower ultradian rhythms, with a period of 2 h, and circadian rhythms have also been observed.
- In the book Rossi provides essential historical data along with two of the author's favorite topics, ultradian rhythms and the four-stage creative cycle of healing and problem resolution.

Origin

1960s: from ultra- 'beyond' (being of greater frequency than circadian) + -ian.

Definition of ultradian in US English:

ultradian

adjectiveəlˈtrādēən

Physiology

(of a rhythm or cycle) having a period of recurrence shorter than a day but longer than an hour.
〔生理〕次昼夜的，亚昼夜的。比较INFRADIAN
Compare with infradian
Example sentencesExamples
- Failure to synchronize your patterns of activity and stimulation with your body's natural circadian and ultradian rhythms puts a stress on the system.
- These rhythmic contractions represent an ultradian cycle in worms that repeats every 47-50 sec and is controlled through inositol trisphosphate receptors in the posterior gut cells.
- In the book Rossi provides essential historical data along with two of the author's favorite topics, ultradian rhythms and the four-stage creative cycle of healing and problem resolution.
- In addition, the timing of an ultradian rhythm, the defecation cycle, is lengthened compared to wild type.
- Still slower ultradian rhythms, with a period of 2 h, and circadian rhythms have also been observed.

Origin

1960s: from ultra- ‘beyond’ (being of greater frequency than circadian) + -ian.

词汇	ultradian
释义	Definition of ultradian in English: ultradian adjective ʌlˈtreɪdɪənəlˈtrādēən Physiology (of a rhythm or cycle) having a period of recurrence shorter than a day but longer than an hour. 〔生理〕次昼夜的，亚昼夜的。比较INFRADIAN Compare with infradian Example sentencesExamples Failure to synchronize your patterns of activity and stimulation with your body's natural circadian and ultradian rhythms puts a stress on the system. In addition, the timing of an ultradian rhythm, the defecation cycle, is lengthened compared to wild type. These rhythmic contractions represent an ultradian cycle in worms that repeats every 47-50 sec and is controlled through inositol trisphosphate receptors in the posterior gut cells. Still slower ultradian rhythms, with a period of 2 h, and circadian rhythms have also been observed. In the book Rossi provides essential historical data along with two of the author's favorite topics, ultradian rhythms and the four-stage creative cycle of healing and problem resolution. Origin 1960s: from ultra- 'beyond' (being of greater frequency than circadian) + -ian. Definition of ultradian in US English: ultradian adjectiveəlˈtrādēən Physiology (of a rhythm or cycle) having a period of recurrence shorter than a day but longer than an hour. 〔生理〕次昼夜的，亚昼夜的。比较INFRADIAN Compare with infradian Example sentencesExamples Failure to synchronize your patterns of activity and stimulation with your body's natural circadian and ultradian rhythms puts a stress on the system. These rhythmic contractions represent an ultradian cycle in worms that repeats every 47-50 sec and is controlled through inositol trisphosphate receptors in the posterior gut cells. In the book Rossi provides essential historical data along with two of the author's favorite topics, ultradian rhythms and the four-stage creative cycle of healing and problem resolution. In addition, the timing of an ultradian rhythm, the defecation cycle, is lengthened compared to wild type. Still slower ultradian rhythms, with a period of 2 h, and circadian rhythms have also been observed. Origin 1960s: from ultra- ‘beyond’ (being of greater frequency than circadian) + -ian.
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