Frame Fusion (IMAGE) Jackson Laboratory Caption A stylized representation of different stages of prenatal development in mice. Researchers at The Jackson Laboratory provided a critical level of precision necessary for the accurate computational reconstruction of cellular trajectories of 12.4 million cells from 83 embryos by University of Washington that span the period from embryonic day 8 to birth. Credit Rachel Bajema Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.