{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,7]],"date-time":"2023-10-07T05:40:20Z","timestamp":1696657220989},"reference-count":18,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2012,6,4]],"date-time":"2012-06-04T00:00:00Z","timestamp":1338768000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Anatomy"],"published-print":{"date-parts":[[2013,7]]},"abstract":"<jats:p>To assess the development of the duodenal window in fetuses, we examined semiserial histological sections of 59 human fetuses with a crown\u2010rump length of 27\u2013156 mm (\u223c4\u201318 weeks of gestation). In 44 of the 54 fetuses with horizontal sections, the duodenal window was formed by interdigitation of the anterior and posterior muscle slips from the proper duodenal circular muscle coat. The anterior slips approached the common bile duct from the anterior side and wound around the bile duct from the right aspect, whereas the posterior slips approached the main pancreatic duct from the posterior side, reaching the left or outer aspect of the duct without winding. These slips may become longitudinal muscles in the ampulla after birth. Six specimens showed variations in this typical pattern, in that the posterior muscle slips as well as the duodenal longitudinal muscle coat wound around the bile duct. In the remaining four specimens, we observed an abnormal union of the bile and pancreatic ducts, with the duodenal circular muscles suddenly ending along the window or slightly inserted into the right side of the common duct after joining. In all later\u2010stage fetuses, the common sphincter surrounded both the bile and pancreatic ducts in the ampulla. Consequently, at and along the duodenal window, the proper duodenal circular muscle seemed to contribute to fetal sphincter formation. The window was not a simple hiatus but a functional interface between the sphincter and the duodenal wall. Clin. Anat. 26:598\u2013609, 2013. \u00a9 2012 Wiley Periodicals, Inc.<\/jats:p>","DOI":"10.1002\/ca.22108","type":"journal-article","created":{"date-parts":[[2012,6,5]],"date-time":"2012-06-05T04:27:13Z","timestamp":1338870433000},"page":"598-609","source":"Crossref","is-referenced-by-count":1,"title":["Duodenal window revisited: A histological study using human fetuses"],"prefix":"10.1002","volume":"26","author":[{"given":"Jae Do","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Surgery and Research Institute of Clinical Medicine Chonbuk National University Medical School Jeonju Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong Pil","family":"Hwang","sequence":"additional","affiliation":[{"name":"Department of Surgery and Research Institute of Clinical Medicine Chonbuk National University Medical School Jeonju Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ji 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