Assertion: esophagus's sphincter | /r/HasProperty | cricopharyngeal muscle
Facets:
Source sentences:
text: - originates at the upper esophageal sphincter (cricopharyngeal muscle) then courses behind the arch of the aorta and descends on the thorax on the right
text: This sphincter is called the cricopharyngeus muscle.
text: The pharyngoesophageal junction is surrounded by the upper esophageal sphincter, also known as the cricopharyngeus muscle.