To answer this question, Hanna and his team set out to develop an ex utero embryo model. The team differentiated the human naïve ESC into four subpopulations and cultured them at specific ratios to ...

In fact, even the most experienced researchers have a hard time saying whether an embryo in ... using the hourglass model: ...

The findings help elucidate what happens during the earliest periods in development. “I was always interested in how cells decide their fate,” Zernicka-Goetz said. In the mouse developing embryo, she ...