Diaphragmatic constriction of esophagus

[TA] normal narrowing of the esophagus, demonstrated radiographically after a barium swallow, caused by the passage of the esophagus through the esophageal hiatus of the diaphragm. SYN: constrictio phrenica esophagea [TA], constrictio diaphragmatica esophagea*, inferior esophageal constriction.

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