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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: J Pediatr Surg. 2012 Jul;47(7):1369–1379. doi: 10.1016/j.jpedsurg.2012.02.001

Figure 1. Histology of endodermal plug formation and recanalization during normal human duodenal development.

Figure 1

Transverse 10um sections of human duodenum. A. Carnegie Stage (CS) 13. B. CS 14. C. CS 15. D. CS 16. E. CS17 an occlusive plug has formed. F. CS 18 recanalization of the duodenal lumen begins G. CS 20. White arrow indicates the duodenum. Yellow arrows indicate Pb-Pancreatic buds and Pd-pancreatic ducts (Bars indicate 100μM).