This detailed image is the cell nuclei of a mouse colon magnified 740 times. It was taken by Paul Appleton, a regular entrant to the competition who has contributed a &amp;lt;a href=&amp;quot;http://www.nikonsmallworld.com/people/bio/paul-appleton&amp;quot; target=&amp;quot;_blank&amp;quot;&amp;gt;number of &amp;quot;Images of Distinction.&amp;quot;&amp;lt;/a&amp;gt;