The tracheoesophageal septum is formed from the tracheoesophageal folds which fuse in the midline to form a structure called tracheoesophageal septum. It divides the esophagus from the trachea. It divides the foregut tube into the laryngotracheal tube ventrally and esophagus dorsally. Developmental abnormalities can lead to a tracheoesophageal fistula. [ ]

Synonyms: esophagotracheal septum

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