Flow Channels (IMAGE) Krause Taylor Associates Caption Prellis printed structure that supports flow through independent channels with a 20 micron interface, allowing for study of gas and nutrient exchange as well as cell-cell cross-talk in a system that mimics human physiology. Credit Prellis Biologics 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.