Clements Cell Reports Image (IMAGE) St. Jude Children's Research Hospital Caption St. Jude researchers used time-lapse images to investigate the origins of blood stem cells in models like the example above. The image was fluoresced in order to help identify the cells involved. Credit Erich Damm / St, Jude Children's Research Hospital Usage Restrictions None 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.