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periblem n.【植物;植物學】皮層原。

pericardiac

Ground meristem the central region of the apical meristem from which the ground tissues of pith , cortex , medullary rays , and mesophyll differentiate . in root meristem it is also called periblem 基本分生組織:位于頂端分生組織的中部,髓、皮層、髓射線以及葉肉這些基本組織均是由基本分生組織分化而成。根部分生組織也稱為皮層原。