adj. parenchymal ; parenchymatous
初生木质部与初生韧皮部之间可见到2—3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。
Between primary xylem and primary phloem there are 2-3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recognized.
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.
包括根或茎的维管组织及相关薄壁组织，若有维管束鞘和内皮包被则这二者也属于中柱结构。
Stele the vascular tissue and associated parenchyma tissue and (if present) the surrounding pericycle and endodermis of a stem or root.
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