<p>A human brain tumor mass (green) that has been engrafted into and is actively growing within a rat brain slice explant. The red immunostaining shows the resident microglial immune cells of the rat brain tissue starting to gather at the margins of the tumor.
</p>
Credit: Bijal Shah and Linda Kaltenbach, Ph.D., Duke University
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/64860478@N05">National Center for Advancing Translational Sciences</a> from Bethesda, MD
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/64860478@N05/27588729787/">Brain Tumor on Brain Slice</a>