Id http://purl.obolibrary.org/obo/NCIT_C33009
http://purl.obolibrary.org/obo/NCIT_C33009
Preferred Name

Lower Esophageal Sphincter

Definitions
A group of muscles between the esophagus and stomach that actively prevents food from rising up out of the stomach.
Type http://www.w3.org/2002/07/owl#Class
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