| lower esophageal sphincter |
In anatomy, The lower esophageal sphincter is the muscular area where the esophagus meets the stomach. It is also known as the gastroesophageal sphincter and the cardiac sphincter. The sphincter serves as a one way valve. During peristalsis, the LES allows the food bolus to pass into the stomach. It prevents chyme, a mixture of bolus, stomach acid, and digestive enzymes, from returning up the esophagus. ...
출처: en.wikipedia.org/wiki/Lower_esophageal_sphincter
|
|---|---|
| lower esophageal sphincter |
A band of muscle tissue that contracts during swallowing, preventing stomach contents from flowing back up into the esophagus.
출처: www.ehealthmd.com/library/heartburn/HB_glossary.ht...
|
| lower esophageal sphincter |
The muscle lying at the end of the esophagus and opening of the stomach. This muscle is used to keep acid in the stomach and out of the esophagus. It relaxes normally secondary to neurologic input when the patient swallows. In its normal state the LES is contracted (closed).
출처: www.gastromd.com/definitionsl.html
|
| lower esophageal sphincter |
muscle between the esophagus and stomach.
출처: ymghealthinfo.org/content.asp
|
| lower esophageal sphincter |
The last few centimeters of esophagus which are intro-abdominal and form a functional mechanism to prevent the reflux of material from the stomach into the esophagus yet relaxes in a coordinated fashion to permit passage of a food bolus into the stomach.
출처: www.njsurgery.com/html/Procedures/glossary.html
|