X-Ray Nanotomography (IMAGE) Helmholtz Association Caption This is a slice through the nucleus of a mouse adenocarcinoma cell showing the nucleolus and the membrane channels running across the nucleus; taken by X-ray nanotomography. Credit HZB Usage Restrictions HZB 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.