Mitosis! Image of the Week - June 9, 2014 CIL:39020 - http://www.cellimagelibrary.org/images/39020 Description: Fluorescent micrograph showing the mitotic spindle, which is composed of microtubules. During cell division the chromosomes duplicate and are pulled to opposite poles by the spindle, once the chromosomes have separated the cell divides and forms two new daughter cells. Author: B. Strauss Licensing: Attribution-NonCommercial-NoDerivs 2.0 UK: England & Wales (CC BY-NC-ND 2.0 UK)