Duodenum: Anatomy, histology, composition, functions | Kenhub
https://www.kenhub.com/en/library/anatomy/the-duodenum
WEBNov 29, 2023 · Anatomy. Sections. The duodenum is about 25 to 30 cm long (“twelve fingers' length”), C-shaped and is located in the upper abdomen at the level of L1-L3. The head of the pancreas lies in the C loop. It may be subdivided into four sections: superior part, descending part, horizontal part and ascending part.
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