cambium
The base of scoin is cut diagonally to expose a large oval of cambium.
接穗的基部被切成斜形,暴露出椭圆形的大圈形成层。
—— 辞典例句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。
—— 辞典例句The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem.
中柱包括从原形成层衍生而来的全部初生组织,由中柱鞘 、 韧质部和木质部组成。
—— 辞典例句Primary xylem Xylem derived from the procambium in the young plant.
初生木质部:指幼嫩植物中来源于原形成层的木质部。
—— 给力词典精选Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.
原生木质部:初生木质部的成分,最早由原形成层形成。
—— 给力词典精选