Villi of the small mouse intestine. (IMAGE) Allen Institute Caption Villi of the small mouse intestine. The dots and lines represent cellular networks. Credit: Elena Lin, UCSD Credit Elena Lin, UCSD Usage Restrictions None License Original 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.