Gastric reflux disorders, illustration. At upper left is a normal stomach, with its oesophageal sphincter closed, prevent reflux of acid from the stomach into the oesophagus. The inset at lower right shows what happens when this sphincter opens, allowing reflux. Stomach acid enters the lower part of the oesophagus, leasing to conditions such as heartburn and gastroesophageal reflux disease (GERD). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / De Angelis, Maurizio |
Bildgröße: | 4000 px × 3000 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |