Assertion: esophagus | /r/CapableOf | meet the pharynx
Facets:
Source sentences:
text: At the superior end ofis the upper esophageal sphincter that keeps the esophagus closed where it meets the pharynx.
text: At the superior end of the esophagus is the upper esophageal sphincter that keeps the esophagus closed where it meets the pharynx.