Helicobacter pylori bacteria

Helicobacter pylori bacteria

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Credit: DR KARI LOUNATMAA/SCIENCE PHOTO LIBRARY

Caption: Helicobacter pylori. Coloured transmission electron micrograph of two H. pylori bacteria in mucous of the human stomach. These bacteria were formerly called Campylobacter pyloridis. Here, the round cocci form of these Gram-negative bacteria is seen. They have flagellae for motility (not seen). The bacterial cell wall & cell contents are visible, surrounded by debris from epidermal cells of the stomach. Colonies of H.pylori occur on the stomach mucous membrane in people suffering gastritis, and this bacteria may be linked to stomach ulcers. H.pylori may also increase the risk of stomach tumours and gastric cancer. Magnification: x38,400 6x4.5cm size.

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Keywords: bacteria, bacterial, bacteriology, bacterium, campylobacter pyloridis, cancer, electron micrograph, gastric, gastric cancer, gastric ulcer, h. pylori, h.pylori, helicobacter, helicobacter pylori, infect, micro-organisms, microbe, microbes, microbiology, stomach cancer, tem, transmission, type, ulcer

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