TEM of Helicobacter pylori bacteria

TEM of Helicobacter pylori bacteria

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Caption: Helicobacter pylori. Transmission electron micro- graph (TEM) of three Helicobacter pylori bacteria (formerly called Campylobacter pyloridis). These Gram-negative bacilli bacteria are usually curved in shape or spiral, with flagellae for motility. In some specimens, 3 or 4 flagellae are visible. The surface of the bacterial cell wall is seen in this shadow preparation technique. Colonies of H.pylori occur on the stomach mucous membrane in people suffering gastritis, and this bacteria may be linked to stomach ulcer formation. H.pylori may also be a co-factor for gastric cancer; its presence increases the risk of stomach tumours. Magnification: x30,000 at 9.5x12 inch 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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