To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 7 Time lapse of an EB differentiated while embedded in Matrigel. Bra onset occurs uniformly from the whole sphere, representative of the dynamics in 13/15 imaged EBs. Prediction and control of symmetry breaking in embryoid bodies by environment and signal integration Naor Sagy, Shaked Slovin, Maya Allalouf, Maayan Pour, Gaya Savyon, Jonathan Boxman, and Iftach Nachman Development 2019. 146:None-None; doi: 10.1242/dev.181917 Download Original Video