Spermathecal Plate (IMAGE) Hokkaido University Caption The spermathecal plate, or the valve, is made of a stopcock (CE) that switches the flow, a fan-like muscle, and a rubber-like protein called resilin. Credit Yoshizawa K., et al., <i>eLife</i>, Oct. 16, 2018 Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. 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.