tracheoesophageal septum

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tracheoesophageal septum

In the embryo, the partition that develops between the growing laryngotracheal tube (the future larynx, trachea, and lungs) and the developing esophagus.
See also: septum


pertaining to or arising from the trachea and the esophagus.

tracheoesophageal fistula
a communication between the trachea and the esophagus; can occur during fetal life due to faulty separation of the laryngotracheal groove from the foregut; often associated with esophageal stenosis or atresia, aspiration pneumonia.
tracheoesophageal ridge
primordium of the embryonic tracheoesophageal septum.
tracheoesophageal septum
the partition which develops by fusion of the tracheoesophageal ridges; completes the separation of the trachea and esophagus in the developing embryo.
tracheoesophageal stripe sign
in x-rays, the dorsal wall of the trachea and the adjacent ventral wall of the esophagus may be visualized because of air in the esophagus.