d: The bolus continues through the hypopharynx, through the open cricopharyngeal segment, and into the esophagus, with the peristaltic wave descending behind it. The nasopharynx begins to open and ...

For the rest of the patients, the food bolus was impacted in the proximal esophagus in 15%, mid-esophagus in 21%, and distal esophagus in 51%. Techniques used to disimpact the food bolus were ...

Intrinsic descending inhibitory neurons can then be continuously reactivated by contraction or bolus distention as it migrates down the esophagus.