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

大熊猫主要通过叫声气味住处传递发情息。

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.

层外膜中，动情期着色最深，动情后期着色最浅，动情间期表达量明显回升，动情前期比动情期着色稍浅。