The entire shoot apex of a horsetail could fit into the large apical cell in the growing tip of a fern . 木贼的整个茎尖可相当于蕨类生长锥中大的顶端细胞。
The apical cell of the first leaf and of the first root originate almost at the same time after the embryo reaches to the 32 - celled phase 胚胎在32细胞阶段后,第一叶顶端细胞与第一根顶端细胞几乎同时发生。