Question 16. Collenchyma and sclerenchyma are plant support tissues.
厚角组织及厚壁组织为植物的支持组织。
The pith of this stem like stele appears rather strongly like collenchyma tissue.
茎状中柱的髓显得颇强健，像厚角组织。
Collenchyma cells have thick walls that are especially developed at the corners of the cell.
厚角组织细胞尤其在细胞的各个角上具有厚壁。
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；
Collenchyma a specialized type of parenchyma usually located just beneath the epidermis that functions as supporting tissue.
厚角组织：一种特殊类型的薄壁组织，通常位于表皮的下方，起支持作用。
Collenchyma a specialized type of parenchyma usually located just beneath the epidermis that functions as supporting tissue.
厚角组织：一种特殊类型的薄壁组织，通常位于表皮的下方，起支持作用。
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