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问题详情

小肠、食管和胃的皱襞由下列哪项构成

A、上皮和固有层

B、粘膜和粘膜下层

C、固有层和粘膜肌层

D、粘膜和肌层

E、粘膜和浆膜

时间：2021-07-17 23:16 关键词：护理学专升本组织胚胎学期末成绩低于60分期末考试

答案解析

B

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