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在地球物理周期影响下,生物在长期的进化过程中,各种生理功能产生了具有遗传稳定性的周期性变化。其中昼夜节律尤为重要,在研究工作中已不容忽视。为此,我们选择了肾上腺皮质以及肝脏的若干功能进行验证和探索。实验用200g 左右雄性大白鼠,放在特制无窗具有空调设备的小室中饲养,温度保持在22±2℃,12小时光暗迭替(07:30—19:30时为光照时间,19:30—07:30时为黑暗时间),自由饮食,实验前动物进行一周时间驯化,昼夜每隔4小时,即在04:00、08:00、12:00、16:00、
Under the influence of the geophysical cycle, organisms undergo periodic changes with genetic stability in their long-term evolutionary processes. Among them, the circadian rhythm is particularly important and can not be ignored in the research work. To this end, we have selected several features of the adrenal cortex and the liver for verification and exploration. Experiment with about 200g male rats, on a special windowless air conditioning equipment in the room kept at a temperature of 22 ± 2 ℃, 12 hours light dark Diego (07: 30-19: 30 for the light time, 19: 30-07: 30 dark time), free diet, before the experiment animals domesticated for a week, every day and night every 4 hours, that is, at 04:00, 08:00, 12:00, 16:00,