Colon of a Mouse Without Stem Cell Niche (IMAGE) University of Zurich Caption In a mouse without a functioning stem cell niche, the villi and crypts of the large intestine get lost. Credit Bahar Degirmenci, UZH 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.