形成层的 meaning in English

cambial

Acropetal differentiation of the cambium layer continues as the primary root elongates .
形成层的向顶分化像初生根伸长一样在继续进行。
Annual ring ( growth ring ) the annual increase in girth of the stems or roots of woody plants , as a result of cambial activity
年轮：木本植物形成层的活动随着季节的更替而表现出有节奏的变化。
The tissue - localization showed that there were more silver - grains labelled in the ray , callus and regenerated differentiating vascular tissue cells than that in other tissues . it further suggested that the high concentration of endogenous iaa triggered the dedifferentiation of the immature vascular tissues after girdling , and the lower concentrated iaa flow could promote the initiation and activity of the regenerated cambium
内源iaa组织定位的结果表明射线细胞愈伤组织和新生维管组织内均有较多的银颗粒标记。这些似可表明，高浓度的内源iaa可启动未成熟维管组织细胞的脱分化，而较低浓度的内源iaa流则可诱导再生形成层的发生和活动。