在皮肤的哪一层没有血管:A.表皮B.真皮C.真皮深层D.皮下组织E.真皮浅层

作者: rantiku 人气: - 评论: 0
问题 在皮肤的哪一层没有血管:
选项 A.表皮 B.真皮 C.真皮深层 D.皮下组织 E.真皮浅层
答案 A
解析

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