Stomach & Duodenum

Question 1

What are the parts of the stomach?

Answer 1

Question 2

What is the blood supply of the Stomach?

Answer 2

• Right gastric– branch of the proper hepatic artery, which arises from the common hepatic artery.
• Left gastric– arises directly from the coeliac trunk.
• Right gastro-omental– terminal branch of the gastroduodenal artery, which arises from the common hepatic artery.
• Left gastro-omental– branch of the splenic artery, which arises from the coeliac trunk.

Question 3

What is the venous drainage of the stomach

Answer 3

• Left gastric vein → portal vein
• Right gastric vein → portal vein
• Left gastroepiploic → splenic vein
• Short gastric veins → splenic vein
• Right gastroepiploic vein → SMV

Question 4

What are the parts of the duodenum?

Answer 4

Question 5

What is the blood supply of the Duodenum?

Answer 5

• Proximal to Major duodenal papilla: Celiac trunk → Common hepatic artery → Gastroduodenal artery + superior pancreaticoduodenal artery
• Distal to Major duodenal papilla: SMA → inferior pancreaticoduodenal artery
• • The first part of the duodenum lies within the peritoneum, but its other parts are retroperitoneal

Question 6

Peritoneal relations / Which part of the duodenum lies intraperitoneal?

Answer 6

The first part of the duodenum lies within the peritoneum, but its other parts are retroperitoneal

Question 7

What are the Relations of the first and second parts of the duodenum?

Answer 7

Question 8

What are the Relations of the third and fourth parts of the duodenum?

Answer 8

Question 9

What is the Major duodenal papilla (papilla of Vater)?

Answer 9

• It’s a well-marked conical projection on the posteromedial wall and situated 8-10 cm distal to the pylorus (2nd part of the duodenum).
• It’s the opening of the junction of pancreatic duct and common bile duct (ampulla of Vater) into the duodenum.