| Normal pyloric sphincter. Endoscopic view of a healthy pyloric sphincter in its closed position. A sphincter is a strong ring of muscle that can contract to control the opening of a body passage. The pyloric sphincter controls the passage of digested food from the pylorus of the stomach to the duodenum - the first section of the small intestine. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Gastrolab |
| Taille de l’image : | 3173 px × 2776 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |