3D Electron Microscopy (IMAGE) University of Queensland Caption 3D electron microscopy of macrophage infected by bacteria (blue) showing lipid droplets (green) and the cell surface (pink). Credit Institute for Molecular Bioscience, University of Queensland Usage Restrictions please credit: Institute for Molecular Bioscience, University of Queensland 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.