The muscles of the pharynx provide an initial, strong push on the bolus (chewed food), allowing it to pass through the sphincter and continue down the esophagus. The bolus continues to travel down ...

This enables a person to swallow it easily. After swallowing, the bolus enters the esophagus, where gravity and muscle contractions help move it down to the stomach through a process called ...

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.

It is only when a bolus that stretches the esophagus is swallowed that the unyielding area causes trouble. To assess mural pliability, radiologists have studied the progress of solids in the ...

The holidays can be a busy time of year for emergency room visits for “food bolus impaction” — food lodged in one’s esophagus from overeating or wolfing down food. Enjoy the latest local ...