<i>C. elegans</i> Zygote (IMAGE) National University of Singapore Caption This image shows a C. elegans zygote undergoing symmetry breaking, during which spatial uniformity in cortical myosin-II (blue) is lost to establish an anterior-posterior polarity (clockwise order from the top).The local and global downregulation of cortical myosin-II networks during polarization is controlled by the mitotic kinase, Aurora-A (orange). 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.