亚当心理阴影
发表于 2025-3-26 22:53:53
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丰满有漂亮
发表于 2025-3-27 04:06:16
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追踪
发表于 2025-3-27 08:44:10
Introduction, The relationship was recognized in a general way between behavioral estrus, on the one hand, and ovulation, corpus-luteum formation and pregnancy on the other. Aside from cats and rabbits, in which ovulation is provoked by copulation, spontaneous ovulation was evident in familiar species. Rhythmic
凶猛
发表于 2025-3-27 10:47:59
Vaginal Cytology and Ovarian Status,author’s laboratory during approximately 5 decades. It is appropriate to consider criteria for evaluating the smears and their relationship to ovarian function. Our criteria are based on the five stages of the estrous cycle of rats described by Long and Evans (1922) and presented here in Table 1 ess
CURL
发表于 2025-3-27 16:04:32
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MANIA
发表于 2025-3-27 20:53:13
Steroid Regulation of the Ovarian Cycle,came available (cf. Burrows 1949). These negative effects were the basis for the “push-pull” hypothesis of pituitary-gonadal interaction proposed by Moore and Price (1930, 1932). A positive, stimulative effect of gonadal hormones in promoting puberty was noted by Engle (1931), however, and several w
可以任性
发表于 2025-3-27 23:33:14
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网络添麻烦
发表于 2025-3-28 05:53:46
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反叛者
发表于 2025-3-28 08:27:59
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树木中
发表于 2025-3-28 13:15:59
Summary,ence between the . and the . of the cycle. The 4-day cycle tends to be the most frequent, with the 5-day cycle a normal variant. Spontaneous persistent vaginal estrus (SPE), an acyclic state occurring in older adult rats, reflects the presence in the ovaries of large vesicular follicles failing to l