Mixed cells - extensile and contractile (IMAGE) University of Copenhagen - Faculty of Science Caption Mixed cell populations autonomously sort themselves into separate domains: islands of extensile cells with normal cell-cell contacts (purple) surrounded by contractile cells that have weakened cell-cell contacts (green). Credit Amin Doostmohammadi 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.