inferior esophageal sphincter
Definition: a physiologic sphincter at the level of the esophagogastric junction; this is in fact an extrinsic sphincter formed by the surrounding musculature of the esophageal hiatus of the right crus of the diaphragm; causes a normally occurring constriction at the esophagogastric junction observable with a barium swallow.
Synonym(s): sphincter constrictor cardiae
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.