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；
2
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。
3
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.