Animation depicting the lower esophageal sphincter contracting and relaxing to allow a bolus to enter the stomach from the esophagus. The diaphragm is also visible. | |
Licence : | Libre de droits |
Crédit : | Science Photo Library / 3D4MEDICAL |
Model Release : | Non requis |
Property release : | Non requis |
Durée : | 8 Secondes |
Aspect ratio : | 4/3 |
Restrictions : | - |