Fig. 3 (IMAGE) Osaka University Caption Electron microscopic image of sperm in the epididymis. Sperm from TSKS-disrupted mice show an apoptotic reaction and degradation in the cytoplasm (arrows). Credit 2023, Masahito Ikawa, 2023 Shimada et al., PNAS Usage Restrictions Credit must be given to the creator. License CC BY 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.