单词procambium
n.: 【植】原形成层
网络: 前形成层；原始形成层
【植物;植物学】原形成层
原形体
前新生层
前形成层
The phloem ganglion derived directly from procambium is situated at the sites where the vascular bundle forks and is present in pairs.
“韧皮部结”的发育直接来源于原形成层，发生在维管束分叉处，一般成对出现。
Cells of the procambium and ground meristem are more vacuolated than those of the protoderm.
原形成层和基本分生组织的细胞比原表皮层细胞更加液泡化。
Study of the Transition from Procambium to Vascular Cambium In Erythrina Arborescens Roxb.
原形成层向维管形成层转化的研究。
Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.
初生木质部的成分，最早由原形成层形成。
primary vascular tissue , which is found in all vascular plants , is formed from the procambium.
初生维管组织由原形成层发育而来，在所有维管植物中都有存在。
Differentiation of the first tracheary element in procambium
在原形成层中第一层导管分子的分化