… pineal couples it to the rest of the circadian system; this suggestion has been explicitly confirmed
by pineal … arhythmic sparrow, a donor pineal rapidly reestablishes circadian rhythmicity …

… sparrow pacemakers in the pineal play the predominant role, in the pigeon circadian
pacemakers in both the pineal … quail ocular pacemakers play the predominant role. Microsc. Res. …

… rhythmicity; rhythmicity is restored by transplantation of a donor bird's pineal and the … the
pineal is a pacemaker in the sparrow circadian system. The pineal of the chicken has circadian …

… In this model, the pineal organ is the self-sustained circadian pacemaker and strongly
affects a population of secondary damped oscillators, which are all self-sustained and weakly …

… that the avian pineal gland plays a major role in circadian … pineal gland functions as a
circadian pacemaker. Is the rhythm abolished by pinealectomy? Does transplantation of the pineal …

… of a sparrow pineal into the anterior chamber of the eye of a pinealectomized conspecific
restored its circadian … free-running circadian rhythms in all species, disruptive effects on the …

… The quail, like the chicken, therefore differs from sparrows and starlings in which pinealectomy
dramatically disrupts free-running rhythms. Nevertheless, it seems unlikely that there are …

… On the other hand, the data leave open, among others, the intriguing possibility that the
pineal is a pacemaker in the sparrow's circadian system normally coupled to and driving that …

… pineal organ is essential for the high-amplitude self-sustained output of the circadian pacemaker,
… The elimination of the pineal melatonin rhythm, or a reduction of its amplitude, renders …

… The pineal gland of house sparrows was one of the first biological clocks believed to act as a
circadian pacemaker… of the pineal gland caused arrhythmic behavior and transplantation of …

… circadian pacemaking system, we have investigated in vitro melatonin release during continuous
darkness from explanted pineal glands of house sparrows … on sparrows during in vivo …

… Perhaps the most thoroughly studied species with respect to the pineal's role in circadian
organization is the house sparrow. These studies have shown 1) interruption of the nervous …

… Elsevier/North Holland, Biomedical Press, pp 94-109 Takahashi JS, Norris C, Menaker M
(1978) Circadian photoperiodic regulation of testis growth in the house sparrow: is the pineal …

… pineal circadian pacemakers now validate the brilliant accuracy of Cartesian thought, in relation
to the relevant role of the pineal … By exposure of the pineal area of sparrow brain to light, …

… the house sparrow: The avian pineal is the seat of a self-sustaining circadian pacemaker that
… These secondary oscillators, located outside the pineal, are only weakly coupled to each …

… components remain in pinealectomized sparrows. First, the … a damped oscillator remains
after pineal removal (however, … the pineal are involved in the circadian system of sparrows. …

… However, the circadian rhythm of this binding is only gradually … -pineal circadian clock.
These data are discussed in the context of the behavioral neurobiology of avian circadian systems …

… Pigeons and sparrows were PX to determine the role of the pineal in the maintenance of
circadian rhythmicity and to test for differential effects of PX on locomotor and feeding rhythms. …

… In the sparrow, pineal organs from donor birds maintained in a light-dark cycle different from
… pineal". In the mollusc Aplysia humoral coupling between the circadian pacemaker and the …

… that the pineal and its periodic … pacemakers. They also suggest that there are species
differences in the relative role played by the pineal and other pacemakers in controlling circadian …