Pseudomonas aeruginosa (IMAGE) University of Basel Caption The pathogenic bacterium Pseudomonas aeruginosa breaching through the respiratory epithelia of a human lung microtissue model, captured via Scanning Electron Microscopy. Credit Benoit Laventie, Biozentrum, University of Basel Usage Restrictions Only to be used in reporting on the related press release License Original 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.