Helicobacter pylori bacteria. Coloured scanning electron micrograph (SEM) of H. pylori bacteria (blue) on the surface of a human gastric epithelial cell. H. pylori is a Gram-negative spiral-shaped bacterium found in the mucus lining of the stomach. It causes gastritis,and is also the most common cause of stomach ulcers. It may also be a cause or co-factor for gastric cancer as its presence increases the risk of developing stomach tumours | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4843 px × 3632 px |
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Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |