Figure:
  
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09-50
"Swallowing. A. Bolus is pushed through the esophagus by peristaltic waves; lower esophageal sphincter is closed. B. Lower esophageal sphincter is open, and the bolus enters the stomach."
Copyright ⌐ 2008 by Delmar Learning. ALL RIGHTS RESERVED.
Subject:
The Digestive System
Keywords:
"swallowing, bolus, stomach, peristalsis, lower esophageal sphincter"

09-50

 

 

Caption
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Pickup Source:
 
     
Figure:
 
09-50