Protocodium_internal structure (IMAGE) University of Toronto Caption Images of Protocodium sinense using electron microscopy (A) and X-ray computed tomography (B-D). Panels B-D reveal the internal structure. Credit Shu Chai, Cédric Aria and Hong Hua Usage Restrictions For media use License Original 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.