This diagram is supposed to make you think about the intestinal tract, this tube that runs through our bodies and allows us to acquire nutrients from the environment.

这幅图意在,让你们考虑一下肠道,这个贯穿我们身体的管道,使我们能够从环境中吸收营养

耶鲁公开课 - 生物医学工程探索课程节选

The cell divides, and divides, and divides many, many times and that's one of the signature events of embryogenesis until we have many, many cells that make up our bodies.

细胞不断分裂,持续进行,那是胚胎发育中,一个标志性的过程,在那之后,我们就有了许许多多构成我们身体的细胞

耶鲁公开课 - 生物医学工程探索课程节选

The other one is a committed progenitor cell that now somehow has been changed in such a way that it's going to mature and develop into non-stem cells or the cells that make up our bodies, somatic cells.

而另一个子细胞就通过某种变化,成了定向的祖细胞,并将成熟和发育为非干细胞的细胞,就是构成我们身体的细胞,体细胞

耶鲁公开课 - 生物医学工程探索课程节选