Decellularized Rat Kidney (IMAGE) Massachusetts General Hospital Caption Removal of all living cells from a rat kidney leaves a collagen scaffolding, ready for repopulation with new kidney and vascular cells. Credit Massachusetts General Hospital Center for Regenerative Medicine. 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.