Novel Stem Cell (image) Salk Institute Share Print E-Mail Caption In this image, a novel type of human stem cells is shown in green integrating and developing into the surrounding cells of a nonviable mouse embryo. Red indicates cells of endoderm lineage. Endoderm cells can give rise to tissue that covers organs from the digestive and respiratory systems. The new stem cells, developed at the Salk Institute, holds promise for one day growing replacement functional cells and tissues. Credit Salk Institute Usage Restrictions with credit Share Print E-Mail 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.