1.Anatomical Structures of ActaeaRoot: root tip is consisted of initial cells of calyptrogen, periblem and plerome;
形态结构类叶升麻根尖由根冠和顶端分生组织构成；
英：[kə'lɪptrədʒən]
美：[kə'lɪptrədʒən]
noun
the layer of cells from which the rootcap originates
International Scientific Vocabulary calyptro- + -gen
1.Anatomical Structures of ActaeaRoot: root tip is consisted of initial cells of calyptrogen, periblem and plerome;
形态结构类叶升麻根尖由根冠和顶端分生组织构成；
