[医] 皮上层的; 表皮的

periderm的用法和样例：

例句

用作名词(n.)

In damaged stems and roots, and in those undergoing secondary growth, it is replaced by a secondary layer, the periderm.已损伤的茎和根，以及进行次生生长的根茎中，表皮被次生层即周皮代替。

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