Growing Cells in 3-D (IMAGE) Arizona State University Caption This is a confocal microcopic image of a 3-D lung cell culture labeled with various markers for cell differentiation. Credit The Biodesign Institute at 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.