Secondly, there was a little of collenchyma whose texture was tight in smooth type's endothecium of phellem;

另外，光皮型杜仲在栓内层分布有较少的，质地紧密的石细胞群；

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Recent research shows that the vascular endothecium has played a vital role in regulating the cordis circulation and stabilizing the milieu interne.

近年来的研究证实，血管内皮在调节心脏循环功能和稳定内环境中起到重要作用。

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At anthesis, the mature anther wall included epidermis and some layers of parenchymal cells and several layers of endothecium cells with an evidently thickened radial wall.

开花时，花药壁由表皮和几层薄壁细胞以及径向壁纤维加厚的变形细胞组成。

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At anthesis, the mature anther wall included epidermis and some layers of parenchymal cells and several layers of endothecium cells with an evidently thickened radial wall.

开花时，花药壁由表皮和几层薄壁细胞以及径向壁纤维加厚的变形细胞组成。

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