Small Intestine (IMAGE) NIH/National Heart, Lung and Blood Institute Caption This study suggests that β7-dependent Glp1rhigh IELs residing in the small intestine modulate dietary metabolism in part by restricting GLP-1 bioavailability. DESCRIPTION: Side by side images of small intestine comparing presence of cells that regulate metabolism. Credit Servier Medical Art Usage Restrictions Licensed under a Creative Common Attribution 3.0 Generic License 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.