Science Image (IMAGE) Salk Institute Caption Immunofluorescence analysis of classic markers for smooth muscle cells in the ovary, including muscle filaments (green), smooth muscle proteins (red) and nuclear DNA (blue). Credit Guang-Hui Liu Usage Restrictions with credit and related coverage. 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.