The prometaphase stage of mitosis. Cells extracted from my <a href="//commons.wikimedia.org/wiki/File:Cell_Cycle%E2%80%94Animal_Cell.svg" class="mw-redirect" title="File:Cell Cycle—Animal Cell.svg">Cell cycle</a> diagram.
<a href="//commons.wikimedia.org/wiki/User:Kelvinsong" class="mw-redirect" title="User:Kelvinsong">Kelvinsong</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>