决定牙齿形状的是A.成釉器B.牙乳头C.牙囊D.成釉细胞E.星网状层细胞

作者: rantiku 人气: - 评论: 0
问题 决定牙齿形状的是
选项 A.成釉器 B.牙乳头 C.牙囊 D.成釉细胞 E.星网状层细胞
答案 B
解析

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