Assertion: esophagus's sphincter | /r/LocatedNear | lower part of the esophagus
Facets:
Source sentences:
text: The lower esophageal sphincter, or gastroesophageal sphincter, surrounds the lower part of the esophagus at the junction between the esophagus and the stomach.
text: The lower esophageal sphincter, or gastroesophageal sphincter, surrounds the lower part of the esophagus at the junction between the esophagus and the stomach.