The duodenum, pancreas and spleen.

Question 1

What is the direction and vertebral level of each part of the duodenum?

Answer 1

Superior - very short and runs to the right. Anterolateral to LI.

Descending - descending along the right sides of L1-3.

Inferior - Runs to the left, crosses L3 vertebrae

Ascending - short, begins at left of L3 and rises as far as upper border of L2.

Question 2

What is the blood supply to the duodenum?

Answer 2

Coeliac trunk supplies proximal duodenum via superior pancreatoduodenal artery and gastroduodenal arteries.

The superior mesenteric supplies the distal duodenum via the inferior pancreatoduodenal artery and 1st jejunal branch).

Question 3

Which vein is formed behind the neck of the pancreas?

Answer 3

The superior mesenteric and splenic veins join to form the portal vein.

Question 4

Which part of the pancreas is drained by the accessory pancreatic duct?

Answer 4

The uncinate process.

Question 5

What is the blood supply to the pancreas?

Answer 5

Derived mainly from the splenic artery. Also the pancreaticoduodenal arteries and branches of the superior mesenteric.

Question 6

What are the important relations of the pancreas?

Answer 6

Head: C-shaped concavity of duodenum. Unicate process: posterior to superior mesenteric vessels - portal vein forms superiorly. Body: passes over the aorta and L2. Tail: passes between layers of the splenorenal ligament.

Question 7

To which ribs is the spleen related?

Answer 7

9-10

Question 8

At what vertebral level does the hilum of the spleen lie?

Answer 8

L1

Question 9

What connects the spleen to the greater curvature of the stomach?

Answer 9

The gastrosplenic ligament

Question 10

What connects the spleen to the left kidney?

Answer 10

The splenorenal ligament.