Assertion: esophagus's sphincter | /r/HasProperty | uos
Facets:
Source sentences:
text: Upper esophageal sphincter (UOS)
text: Upper esophageal sphincter (UOS)
text: Constrictio cricoidea – is caused by the cricoid cartilage and is constricted by the upper esophageal sphincter (UOS) until the sphincter relaxes in response to a bolus.
text: The esophagus possesses closing mechanisms at both its upper and lower ends which are called the upper esophageal sphincter (UOS) and the lower esophageal sphincter (LOS).
text: The upper esophageal sphincter (UOS) consists solely of striated skeletal muscles.
text: Constrictio cricoidea – is caused by the cricoid cartilage and is maintained constricted by the upper esophageal sphincter (UOS) until the sphincter relaxes in response to a bolus.