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狗的皮肤特征

狗的皮肤特征 狗的皮肤特征什么

狗狗的皮肤是中性、偏碱性的,表皮层也比人类的薄,只有3-5层;狗狗的皮毛是周期性生长,会换毛;狗狗的毛囊可以长出很多毛,厚厚的皮毛完全可以御寒;狗身上的皮肤有大汗腺,但不能调节体温、分泌的液体。

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