p73 and Male Infertility (IMAGE) Rockefeller University Press Caption Compared with a normal mouse testis (left), the junctions (green) that connect developing sperm to their Sertoli "nurse" cells are disorganized in a testis lacking p73 (right), causing infertility. Credit Holembowski et al., 2014 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.