An interruption of the lumen (esophageal atresia, duodenal atresia, extrahepatic biliary atresia, anorectal atresia). Pyloric atresia (PA) - a very rare condition (incidence 1 in 100,000 newborns) and about 1% of all intestinal atresias.
A narrowing of the lumen (duodenal stenosis, pyloric stenosis).
An incomplete recanalization resulting in parallel lumens, this is really a specialized form of stenosis.
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Cite this page: Hill, M.A. (2019, March 24) Embryology Gastrointestinal Tract Growth Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Gastrointestinal_Tract_Growth_Movie
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- © Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G