estrum

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

大熊猫主要通过叫声和气味住处传递发息。

2.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.

肌层和子宫外膜中，动色最深，动后色最浅，动表达量明显回升，动前比动色稍浅。