circannual


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Related to circannual: circannual rhythm

circannual

occurring rhythmically every year.
References in periodicals archive ?
Circadian and circannual rhythms of T3 and T4 secretions in Polwarth-Ideal Rams.
In this vein, "circadian or circannual rhythms are exclusively those that match an environmental periodicity but have been shown to be generated by an underlying endogenous pacemaker system" (Dunlap, Chronobiology, 29).
Circannual variation in the onset and relapse of steroid-sensitive nephrotic syndrome.
Circannual period of physical performance analysed by means of standard cosinor analysis: a case report.
found that plasma levels of vitamin D were inversely correlated with the RA disease activity showing a circannual rhythm (more severe in winter).
Circadian and circannual rhythmicity in the occurrence of subarachnoid hemorrhage.
Circannual rhythm of sperm parameters of fertile men.
Among the topics are lessons on circadian clocks from fish, an update of the morning and evening oscillator model in Drosophila, dynamic neuronal network organization of the circadian clock and possible deterioration in disease, circadian modulation of sleep in rodents, local aspects of sleep revealed by observations from intra-cerebral recordings in humans, feedback actions of locomotor activity to the circadian clock, managing neurobehavior capability when social expediency trumps biological imperatives, the evolutionary physiology of photoperiodism in vertebrates, and circannual rhythm in the varied carpet beetle Anthrenus verbasci.
Cluster headache is a primary trigeminal-autonomic cephalalgia that exhibits circadian and circannual periodicity.
Horses have very weak circadian rhythms,sotheyadaptveryquicklyto changesintimezone,butverystrong circannual rhythms,sotheystruggle toadapttochangesinseason.
A circannual rhythm in unstimulated salivary flow rate when the ambient temperature varies by only about 2[degrees]C.