BIOMEDICAL IMAGING UNIT, SOUTHAMPTON GENERAL HOSPITAL / SCIENCE PHOTO LIBRARY BIOMEDICAL IMAGING UNIT, SOUTHAMPTON GENERAL HOSPITAL / SCIENCE PHOTO LIBRARY
Helicobacter pylori bacterium, coloured transmission electron micrograph (TEM). This section through the bacterium shows its rod-shaped body and several flagella (upper left, used for movement). H. pylori (formerly named Campylobacter pyloridis or pylori) is a bacterium that infects the mucosal stomach lining. Some people then go on to develop stomach ulcers and gastritis due to the infection. Long-term infection is thought to be a risk factor for stomach cancer. The bacterium drills through the mucus layer and attaches to the stomach epithilial cells. Magnification: x21,000 when printed 10cm wide.
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