BBB Model: Cylindrical Channels and Cells (image) Istituto Italiano di Tecnologia - IIT Share Print E-Mail Caption This is a scanning electron microscopy image of endothelial cells cultured on the tubular scaffold. The cells built a biological barrier resulting in a biohybrid system which resembles its natural model. Credit IIT-Istituto Italiano di Tecnologia Usage Restrictions with appropriate captions and credits Share Print E-Mail 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.