There was lots of organelle, such as rib somes, mitochondria in companion cell during the mature stage of SE.Also the plasmodesmata appeared in cell wall between SE and CC.
英
美
释义
在筛管成熟期间,伴胞的细胞质较浓,内含辜富的核糖核蛋白体、线粒体等细胞器,与筛管相连的细胞壁上具有胞间连丝。
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