It could be those differences that they experience in their extracellular environment that lead to their choice to either self-renew or to become committed.

有可能就是由于,这种细胞外环境的不同,最终导致它们自我更新,或者成为定向的祖细胞

耶鲁公开课 - 生物医学工程探索课程节选