3. Diseases and Disorders of the Esophagus

The simple act of swallowing is the mechanical process that propels chewed food from the mouth into the esophagus (see Box 3-1, The Swallowing Process). In preparation for swallowing, the tongue moves the chewed food to the back of the throat. This triggers the swallowing reflex, and muscles contract to pass the food through the […]


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