Illustration of a stomach with acid reflux or Gastroesophageal reflux disease (GERD). The inset shows a healthy esophageal sphincter (left) and an unhealthy one (right),which does not close properly and allows food or liquid to move from the stomach backwards into the esophagus | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source |
Bildgröße: | 4500 px × 3600 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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