File:Lymphocyte.png

Summary
A lymphocyte (one type of white blood cell). Source: Micrographs provided by the Regents of University of Michigan Medical School © 2012) [ http://virtualslides.med.umich.edu/Histology/Cardiovascular%20System/081-2_HISTO_40X.svs/view.apml?cwidth=860&cheight=733&chost=virtualslides.med.umich.edu&listview=1&title=&csis=1 University of Michigan Webscopes] License: Not stated, using as fair use.