3-D Gut Model (IMAGE) Arizona State University Caption This is a 3-D colon cell culture model, as seen from a scanning electron microscope image. Credit Jennifer Barrila, Biodesign Institute, Arizona State University 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.