The photo was taken by Ali Ertürk, PhD, a researcher at the Institute for Stroke and Dementia Research at Ludwig Maximillian's University in Munich, Germany. Ertürk and his colleagues' research is focused on better understanding the "key mechanisms leading to neurodegeneration after acute brain injury." This image depicts the mouse brain vasculature.
Via Wired Science
Previously: Video of innate immune reaction in the lymph node, Image of the Week: Osteosarcoma cell and Tiny wonders: Small World in Motion competition winners bring microscopic activity to life
Photo by Ali Erturk/Nikon Small World Photomicrography Competition