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问题 单项选择题

子宫内膜腺上皮细胞的核下开始出现含糖原小泡，相当于月经周期的

A．增生期早期

B．分泌期早期

C．增生期中期

D．分泌期中期

E．增生期晚期

答案

参考答案：B

解析：分泌期早期的表现为：在月经周期的第15～19日。此期内膜腺体更长，屈曲更明显。腺上皮细胞的核下开始出现含糖原的小泡，间质水肿，螺旋小动脉继续增生。

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