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Original communication| Volume 75, ISSUE 2, P233-237, February 1974

Identification of vagal structures at the esophageal hiatus

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      Abstract

      The levels of the esophageal vagus plexus, the descending vagal trunks, the truncal divisions and their branches were examined in 100 adult cadavers. The number of vagal structures appearing at the hiatus is related to variations in the level of the lowest part of the esophageal plexus and the level at which the vagal trunks separate into the four divisions. In 88 percent of the cadavers, the plexus ended above the hiatus and the truncal divisions were formed below the hiatus. Two vagal trunks passed through the hiatus. In the remaining cases, plexus elements, divisions or branches of divisions were present at the hiatus, resulting in four or more vagal structures.
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