STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Colitis. Coloured scanning electron micrograph (SEM) of bacterial invasion of human gut wall. Colitis is a life-threatening complication of aplastic anemia which occurs during periods of profound neutropenia (a low neutrophil white blood cell count) which causes variable submucosal necrosis with invasion of the colonic wall by bacteria. Magnification: x3000 when printed at 10 centimetres wide.
Model release not required. Property release not required.