The entire shoot apex of a horsetail could fit into the large apical cell in the growing tip of a fern . 木賊的整個(gè)莖尖可相當(dāng)于蕨類生長(zhǎng)錐中大的頂端細(xì)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細(xì)胞階段后,第一葉頂端細(xì)胞與第一根頂端細(xì)胞幾乎同時(shí)發(fā)生。