cardiac sphincter

/ˌkɑrdiˈæk ˌsfɪŋktər/
IPA guide

Definitions of cardiac sphincter
  1. noun
    the valve between the distal end of the esophagus and the stomach; the physiological sphincter at the esophagogastric junction
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    type of:
    physiological sphincter
    a sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue
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