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Pancreas Anatomy: Dimensions, Location, and Anatomical Relations to Duodenum, Stomach, and Spleen
Size: 15-25 cm length, 2-3 cm width, 60-100 g weight.
Location: Retroperitoneal, upper abdomen, transversal at L1-L2 vertebral level.
Anatomical Relations
- Head: Nestled in C-loop of duodenum; common bile duct traverses/posterior.
- Uncinate process: Extends posterior to SMV/SMA.
- Neck: Anterior to SMV/PV confluence.
- Body: Crosses aorta, IVC, left renal vessels; anterior to left adrenal, kidney.
- Tail: Extends to splenic hilum in splenorenal ligament.
Duct system: Main pancreatic duct (Wirsung) joins CBD → major papilla. Accessory duct (Santorini) → minor papilla.
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