Cycle

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Related to Estrus cycle: anestrous

Cycle

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The effect of Se on the plasma P4 concentration was assessed at each estrus cycle (Figure 5).
Thus, considering sex-related influences in pain response and the effects elicited by the injection of formalin into deep tissues not yet been explored by metabolic parameters, the aim of this study is to compare metabolic and hormonal changes between males rats and females rats in proestrus and estrus cycle after painful stimulus by formalin into the masseter muscle.
The story the evidence from the paper seems to tell is that a high level of in utero exposure to MEHP causes female mice to have a shortened but more intense reproductive life, possibly because greater hormone levels induce an elevated number of follicles to release more eggs per estrus cycle.
It is no coincidence that humans and gibbons, the only primates not subject to an estrus cycle, are also the only primates that practise monogamy.
Female pandas have a very short estrus cycle, or time in which they can get pregnant.
The role of suboptimal preovulatory estradiol secretion in the etiology of premature luteolysis during the short estrus cycle in the cow.
Epithelial cells within the vagina undergo distinct morphologic changes throughout the estrus cycle under the influence of ovarian hormones.
Also, when the ratio of does to bucks is higher than about four- or five-to-one (as it is in most loosely managed hunting areas), there will be some adult does that simply aren't bred during their first estrus cycle.