A layer of cells lying immediately beneath the formation zone, epidermis, was the thickest layer in the integument in which wax gland cells, trichogen and tormogen were growing.
在形成层的下面为真皮层,真皮层是体壁最厚的一层,也是一层细胞层,包含与泌蜡相关的蜡腺细胞,刚毛的毛原细胞,刺的特化细胞和未特化细胞等。
参考来源 - 蚧虫的内部器官构造及寄生蜂在蚧虫体内发育的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N the protective layer around an ovule that becomes the seed coat 珠被
The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.
胚珠是半球形的，有2个被膜，腱鞘状，而原孢子细胞直接作为大孢子母细胞起作用。
The micropyle is formed with inner integuments and partial outer integument.
珠孔由内珠被和腹侧外珠被构成。
Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.
大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。
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