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【单选题】
成纤维细胞的主要结构和功能特点是( )A.
可合成基质和纤维
B.
核小着色深，细胞质较多呈嗜酸性
C.
具有吞噬功能
D.
功能活跃的成纤维细胞又称纤维细胞
E.
纤维细胞不能转化为成纤维细胞
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