Gladstone scientist Kiichiro Tomoda (IMAGE) Gladstone Institutes Caption Gladstone investigator Kiichiro Tomoda and his colleagues use stem cells to generate synthetic mouse embryos containing the three fundamental cell types normally found in pre-implantation embryos. Credit Gladstone Institutes Usage Restrictions Use must include photo credit to "Gladstone Institutes" License Licensed 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.