They transit estrous information mainly by making courting sound and spreading special estrum scent.

大熊猫主要通过求偶叫声和气味递发求偶信息。

In muscular layer and adventitia, the significant increase of the products was found in the anoestrum,and the density of the products was a little bit weaker in the proestrum than that in the estrum.

层和子宫外膜中，着色最深，后着色最浅，间表达量明显回升，前比着色稍浅。