The cause of<unk>  is not known. Dr. Julius Tandler hypothesized in 1900 that the etiology of<unk>  was due to occlusion of the<unk>  lumen and failure to re-canalize during embryological development. Research surrounding<unk>  in recent years has switched focus to the fibroblast growth factor pathway in mouse models as Tandler’s original hypothesis was unable to account for the different types of<unk> .
Duodenal atresia
Annular pancreas
Intestinal atresia
Gastric atresia
Choanal atresia
Familial multiple intestinal atresia
Gastroschisis
Situs inversus