Hydrogel (2 of 2) (image) Rice University Share Print E-Mail Caption A microscopic image shows the extensive infiltration of robust blood vessels (red) in a new hydrogel scaffold developed at Rice University to help the healing of internal injuries. The purple cells are pericyte-like cells that surround new endothelial cells, helping to stabilize the vessels. The green cells are circulating through the new vascular system. Credit Vivek Kumar/Rice University Usage Restrictions None 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.