Jeffrey Jacot, Rice University (IMAGE) Rice University Caption The lab of Rice University and Texas Children's Hospital bioengineer Jeffrey Jacot has successfully used stem cells derived from amniotic fluid to promote the growth of functional blood vessels in an injectable hydrogel. Credit Jeff Fitlow/Rice University Usage Restrictions For news reporting purposes only. 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.