Hormogonia (IMAGE) Hokkaido University Caption Cyanobacteria which have undergone induced differentiation into filamentous hormogonia. The cells at the tip (arrows) are known to have a strong relation to hormogonia's motility. Credit Copyright Yasuyuki Hashidoko, Hokkaido University. Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. 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.