MBI YT Amnioserosa (2 of 2) (IMAGE) National University of Singapore Caption The activity of contractile networks in a fruit fly embryo drives a process called dorsal closure. A contractile network protein was fluorescently labelled and colored according to 3-D position. Credit Mechanobiology Institute, National University of Singapore Usage Restrictions Credit image accordingly 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.