Tplax (image) Stanford University Share Print E-Mail Caption Trichoplax adhaerens - known as Tplax in the Prakash lab at Stanford - has no muscles or neurons and no defined shape but still manages coordinated movement. Credit Manu Prakash Usage Restrictions Image may only be used with appropriate caption or credit. Share Print E-Mail 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.