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实验室条件下黄腹蟾蜍（Bombina variegata (L.)）松果体中的昼夜节律。

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

作者信息

Sura P

机构信息

Department of Embryology and Medical Genetics, Nicolaus Copernicus University School of Medicine, Kraków, Poland.

出版信息

Folia Biol (Krakow). 1992;40(3-4):145-9.

PMID:1306508
Abstract

A circadian morphological rhythm of the pineal organ, as judged by changes in the nuclear volume of the photoreceptor cells, was found in sexually mature male Yellow-bellied toads (Bombina variegata) maintained continuously at 26 degrees 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).

摘要

在持续保持于26摄氏度并处于17小时光照/7小时黑暗光照周期的性成熟雄性黄腹蟾蜍（铃蟾）中，通过感光细胞的核体积变化判断，发现松果体存在昼夜形态节律。核体积在光照期（16:00）最大，在暗期结束时（4:00）最小。

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