Cholera Pili (IMAGE) University of California - Santa Cruz Caption Cholera bacteria use hair-like appendages called pili to attach to surfaces. In this image, the pili are labeled with a fluorescent green dye. Credit Fitnat Yildiz and Kyle Floyd Usage Restrictions For use only with news coverage of this research 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.