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关于大鼠动情周期中血浆甾体激素浓度已有许多报告,然而动情周期中卵巢中有关的甾体激素水平未见报告,因此作者对动情周期中大鼠卵巢滤泡中雌、孕激素浓度作了研究。研究采用65只Wister大鼠,置于12小时光照,12小时黑暗的笼内,随意进食规定的实验室饲料,经阴道涂片显示至少有三个持续4天的动情期的大鼠分批在动情期、间情期和动情后期的11∶00和18∶00及动情前期的11∶00和14∶00,此后每2小时一批,直至次日(即排卵前)02∶00用颈椎脱位处
There have been many reports on the concentration of plasma steroid hormones in the estrous cycle in rats, however, the level of estrogen in the ovary has not been reported in the estrous cycle. Therefore, Study. Sixty-five Wister rats were housed in 12-hour light, 12-hour dark cages with random access to prescribed laboratory feeds. Transvaginal smear revealed that at least three rats with estrus that lasted for 4 days were divided into estrus Period, estrus and estrus late 11:00 and 18:00 and early estrus 11:00 and 14:00, then every 2 hours until the next day (ie before ovulation) 02:00 with cervical dislocation