
 Image Number K11311-18 |
At the National Animal Disease Center in Ames, Iowa, visiting scientist Joachim Pohlenz, a pathologist from the School of Veterinary Medicine in Hannover, Germany, selects and trims intestinal tissues to be processed and examined for signs of
E. coli O157:H7 infection.
Photo by Stephen Ausmus.
640 pixels wide: (k11311-18.jpg)
Please visit our Image Gallery