Assertion: esophagus's sphincter | /r/CapableOf | remain open
Facets:
Source sentences:
text: The lower esophageal sphincter relaxes at the initiation of the peristaltic wave and remains open until the peristaltic wave passes through the body and into the sphincter muscle, and this is followed by a distinctive postrelaxation contraction of the lower esophageal sphincter.
text: As the feces is forced into the anal canal, messages reach the brain giving us time to make a decision as to whether the external voluntary sphincter should remain open or be constricted to stop passage of feces.
text: As the feces is forced into the anal canal, messages reach the brain giving us time to make a decision as to whether the external voluntary sphincter should remain open or be constricted to stop passage of feces.