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Updated: Aug 5, 2026

In Vitro Bioluminescence Assay to Characterize Circadian Rhythm in Mammary Epithelial Cells
11:56

In Vitro Bioluminescence Assay to Characterize Circadian Rhythm in Mammary Epithelial Cells

Published on: September 28, 2017

在鱼 (Alligator mississippiensis) 中的非上黑激素

J J Roth, W A Gern, E C Roth

    Science (New York, N.Y.)
    |October 31, 1980
    PubMed
    概括

    类爬行动物缺乏松体,但却拥有非松性黑激素. 这表明黑激素可能无法调节这些动物的昼夜节律,可能与中生代的季节性稳定性有关.

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    Published on: December 13, 2017

    Automated Measurements of Sleep and Locomotor Activity in Mexican Cavefish05:10

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    Biological Clocks and Seasonal Responses02:45

    Biological Clocks and Seasonal Responses

    The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.