<unk>  is any congenital malformation of the structure of the intestine that causes bowel obstruction. The malformation can be a narrowing (stenosis), absence or malrotation of a portion of the intestine. These defects can either occur in the small or large intestine.
Intestinal atresia
Gastric atresia
Duodenal atresia
Gastroschisis
Choanal atresia
Situs inversus
Familial multiple intestinal atresia
Atresia