Abstract
The small intestine is divided into three parts: duodenum, jejunum and ileum. The duodenum is C-shaped and joins the gastric pylorus to the proximal jejunum by curving around the head of the pancreas. It is 25 cm long and receives the openings of the common bile and pancreatic ducts. The proximal 2.5 cm is covered on its anterior and posterior surfaces by peritoneum, the remainder being retroperitoneal. The duodenum, for purposes of description, is divided into four parts (D1-4). At the duodenojejunal junction the intestine turns forward — this being called the duodenojejunal flexure.
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© 2004 Springer-Verlag London Limited
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(2004). Pancreas, Duodenum, Ampulla of Vater and Extrahepatic Bile Ducts. In: Allen, D.C., Cameron, R.I. (eds) Histopathology Specimens. Springer, London. https://doi.org/10.1007/978-1-85233-844-2_3
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DOI: https://doi.org/10.1007/978-1-85233-844-2_3
Publisher Name: Springer, London
Print ISBN: 978-1-85233-597-7
Online ISBN: 978-1-85233-844-2
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