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1992 | 40 | 3-4 | 145-149
Article title

Circadian rhythm in the pineal organ of the yellow-bellied toad, Bombina variegata (L.), under laboratory conditions

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EN
A circadian morphological rhythm of the pineal organ, as judged by changes in the nuclear volume of the photoreceptor cells, was found in sexually nature male Yellow-bellied toads (Bombina variegata) maintained continuously at 26 ?C and on a 17L/7D illumination cycle. The greatest nuclear volume occurred at the photophase (16.00 h), and the lowest at the end of the scotophase (4.00 h).
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article
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bwmeta1.element.element-from-psjc-50c60b78-b709-3b44-8d75-3ae0da4d4aef
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