As células-tronco de embriões humanos comprometem-se com a especialização surpreendentemente cedo

Stem cells in human embryos commit to specialization surprisingly early  
Source: The Francis Crick Institute
Summary:The point when human embryonic stem cells irreversibly commit to becoming specialized has been identified by researchers.
https://www.sciencedaily.com/releases/2020/04/200417114447.htm