Now, the differences here may be subtle in terms of chemical composition or if you put these cells under a microscope and looked at their analysis.

干细胞与祖细胞化学成分的区别,还非常微小,除非你把细胞放在显微镜下,或者看细胞分析报告

耶鲁公开课 - 生物医学工程探索课程节选

In the time it takes for one cell division to occur, it could be that this cell entraps a different chemical composition of the cytoplasm then this entraps, and that's a well known concept.

当一个细胞分裂发生期间,很可能这个细胞截留了一种不同的,细胞质化学组分,这种非对称分裂是一个广为人知的概念

耶鲁公开课 - 生物医学工程探索课程节选