WordNet
- recurring at regular intervals (同)regular recurrence
- the basic rhythmic unit in a piece of music; "the piece has a fast rhythm"; "the conductor set the beat" (同)beat, musical rhythm
- the arrangement of spoken words alternating stressed and unstressed elements; "the rhythm of Frosts poetry" (同)speech rhythm
PrepTutorEJDIC
- 〈U〉『律動,リズム』;韻律 / 〈C〉(特定の)リズム
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2013/07/02 13:26:57」(JST)
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An infradian rhythm is a rhythm with a period longer than the period of a circadian rhythm, i.e. with a frequency less than one cycle in 28 hours,[1] such as menstruation, breeding, tidal or seasonal rhythms. In contrast, ultradian refers to rhythms with periods shorter than the period of a circadian rhythm.
Infradian rhythms in menstruation[edit]
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This section does not cite any references or sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (November 2009) |
The human menstrual cycle is an example of an infradian rhythm, the timing of which is governed by endogenous (internal) biological cycles and possibly also by exogenous cues (zeitgebers). One exogenous cue may be female pheromone production, which may bring women's menstrual cycles into synchronization with those of other women with whom they are in close proximity for an extended period of time. This is known as the dormitory effect or the McClintock effect.
See also[edit]
- Circadian rhythm
- Photoperiodicity
- Ultradian rhythm
References[edit]
- ^ Brown, Frederick M. & Graeber, R. Curtis, eds. The Rhythmic Aspects of Behavior. Hillsdale, NJ: Lawrence Erlbaum Associates. 1982, (p.462).
UpToDate Contents
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English Journal
- Chronobiological studies of chicken IgY: monitoring of infradian, circadian and ultradian rhythms of IgY in blood and yolk of chickens.
- He JX1, Thirumalai D1, Schade R2, Zhang XY3.
- Veterinary immunology and immunopathology.Vet Immunol Immunopathol.2014 Aug 15;160(3-4):266-72. doi: 10.1016/j.vetimm.2014.05.016. Epub 2014 Jun 7.
- IgY is the functional equivalent of mammalian IgG found in birds, reptiles and amphibians. Many of its biological aspects have been explored with different approaches. In order to evaluate the rhythmicity of serum and yolk IgY, four chickens were examined and reared under the same conditions. To mon
- PMID 24998020
- Adjusting the light in the limit conditions of consciousness by the means of ascending reticular activating system (ARAS) and of subordinated systems: Part 2: Continuation & Conclusion of the Article.
- Siposan DG1, Aliu OF2.
- Laser therapy.Laser Ther.2014 Jul 1;23(2):97-108. doi: 10.5978/islsm.14-OR-07.
- BACKGROUND: In our activity in the Ambulance Service of Bucharest Municipality during March 2002 - March 2003 we studied a casuistry of patients who had fallen in a coma of varying degrees. To aid better understanding of coma, the concept of "pre-coma stage" or "diencephalic 0 stage" was introduced.
- PMID 25071308
- Adjusting the light in the limit conditions of consciousness by the means of ascending reticular activating system (ARAS) and of subordinated systems Part 1: Introduction and Aims.
- Siposan DG1, Aliu OF2.
- Laser therapy.Laser Ther.2014 Mar 27;23(1):31-40. doi: 10.5978/islsm.14-OR-04.
- BACKGROUND: In our activity in the Ambulance Service of Bucharest Municipality during March 2002 - March 2003 we studied a casuistry of patients who had fallen in a coma of varying degrees. To aid better understanding of coma, the concept of "pre-coma stage" or diencephalic "0 stage" was introduced.
- PMID 24771969
Japanese Journal
- Adjusting the light in the limit conditions of consciousness by the means of ascending reticular activating system (ARAS) and of subordinated systems<br>Part 2: Continuation & Conclusion of the Article
- Adjusting the light in the limit conditions of consciousness by the means of ascending reticular activating system (ARAS*) and of subordinated systems Part 1: Introduction and Aims
- Intrauterine environment-genome interaction and Children's development (4) : Brain-behavior phenotypying of genetically-engineered mice using a comprehensive behavioral test battery on research of neuropsychiatric disorders
- Journal of toxicological sciences 34(Special Issue II), SP293-SP305, 2009-07
- NAID 110007337707
Related Links
- An infradian rhythm is a rhythm with a period longer than the period of a circadian rhythm, i.e. with a frequency less than one cycle in 28 hours, such as menstruation, breeding, tidal or seasonal rhythms. In contrast, ultradian refers to rhythms ...
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