Endosome Formation (IMAGE) Tokyo University of Science Caption Formation and maintenance of the endosome -- the organelle for distributing inbound substances -- are governed by a newly discovered cellular mechanism. Credit Professor Jiro Toshima from the Tokyo University of Science Usage Restrictions None 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.