Viscera(Gut)
4
Plate272
MucosaandMusculatureofDuodenum
Hepatic artery proper
Gastroduodenal artery
Right gastric artery
Common hepatic artery
Pyloric orifice
(Common) bile duct
Accessory pancreatic
duct (of Santorini)
(Main) pancreatic
duct (of Wirsung)
Duodenojejunal flexure
Jejunum
Ascending (4th) part
Superior mesenteric artery and vein
Hepatic portal vein
(Common) bile duct
Right free margin of lesser
omentum (hepatoduodenal ligament)
Superior
duodenal flexure
Superior (1st) part
(ampulla, or
duodenal cap)
(no circular folds)
Descending
(2nd) part
Minor duodenal
papilla (inconstant)
Circular folds
(valves of
Kerckring)
Major duodenal
papilla (of Vater)
Head of pancreas
Inferior (horizontal, or 3rd) part
Inferior duodenal flexure
Jejunum
Mesentery
Anastomotic loop (arcade) of jejunal arteries
Straight arteries
Serosa (visceral peritoneum)
Longitudinal muscle layer
Circular muscle layer
Submucosa
Mucosa
Circular folds (valves of Kerckring)
Solitary lymphoid nodule
Ileum
Mesentery
Anastomotic loops
(arcades) of ileal arteries
Straight arteries
Serosa (visceral peritoneum)
Longitudinal muscle layer
Circular muscle layer
Submucosa
Mucosa
Circular folds (valves of Kerckring)
Solitary lymphoid nodules
Aggregate lymphoid nodules (Peyer’s patches)
See±also±
Plate 270
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