estrum

1.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气味住处传递发情求偶信息。

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.

肌层外膜中，动情最深，动情后最浅，动情间表达量明显回升，动情前比动情稍浅。