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congenital

Esophageal atresia

atresia is a medical condition that affects the alimentary tract. It causes the to end in a blind-ended pouch rather than connecting normally to the stomach. It comprises a variety of congenital anatomic defects that are caused by an abnormal embryological development of the esophagus. It is characterized anatomically by a congenital obstruction of the esophagus with interruption of the continuity of the esophageal wall.

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Plain-language summary adapted from Wikipedia. Not medical advice.