primary pit
英 美
[植] 初生纹孔
... 初生维管组织 primary vascular tissue 初生纹孔 primary pit 初生纹孔场 primary pit field ...
POD was mainly distributed in the radial walls of the cambial cells and expanding xylem cell, especially at the corner of cell wall and cell wall close to the primary pit field.
形成层细胞阶段和伸展生长阶段,POD主要分布在径壁上,尤其是细胞壁角隅处和初生纹孔场附近的细胞壁。
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