Small Bowel Segment Repopulated with Human Cells (image) Massachusetts General Hospital Share Print E-Mail Caption A decellularized loop of rat small bowel after repopulation, with stem-cell-derived human epithelial cells (green) lining the intestine and endothelial cells (red) lining the blood vessels. Credit Kentaro Kitano, MD, MGH Center for Regenerative Medicine Usage Restrictions Usage restricted to coverage of the study described in this release. 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.