Image of a Single Endothelial Cell (IMAGE) Bielefeld University Caption Image of a single endothelial cell from the liver obtained with fluorescence microscopy. The small pores are only visible thanks to the microscope developed at the Faculty of Physics. Credit Photo: Bielefeld University Usage Restrictions The image may only be used with appropriate caption or credit. 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.