Cell Mitosis, Cell Image Library (IMAGE) University of California - San Diego Caption This is a PtK2 cell undergoing mitosis or cell division. Microtubules are shown in red with kinetochores in green and DNA stained blue. Credit Cell Image Library Usage Restrictions Use photo credit. Please link the photo credit to: http://www.cellimagelibrary.org/images/44601 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.