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。