Before the oil cells can be distinguished, it is difficult to tell oil cell initials from surrounding cells in the primordial meristem and ground meristem of leaf and shoot. 在未出现油细胞以前,上述器官的基本分生组织和原分生组织中,难以区分油细胞的原始细胞与周围细胞。
The bilateral cells of sub-tunica of Chinese cabbage and cabbage divided into apical leafy primordial, in which lateral inflorescence meristem arised. 花椰菜和青花菜顶端亚外套两侧细胞分裂形成花序分生组织,花序分生组织增生即为花球体;