Arterial supply of the GI tract

Question 1

What are the branches of the coeliac trunk?

Answer 1

Left Gastric artery
Splenic artery
Common hepatic artery

Question 2

Branches from which artery supply the oesophagus?

Answer 2

Oesophageal branches of the left gastric artery

Question 3

Which arteries supply the lesser curvature of the stomach?

Answer 3

Left and right gastric arteries (they anastamose)

Question 4

Which arteries supply the greater curvature of the stomach?

Answer 4

left and right gastroepiploic arteries (they anastamose)

Question 5

What are the branches of the splenic artery and what do they supply?

Answer 5

left gastroepiploic artery - greater curvature of the stomach
Short gastric arteries - fundus of stomach
Pancreatic branches - body and tail of the pancreas

Question 6

What are the two main branches of the common hepatic artery?

Answer 6

Proper hepatic artery

Gastroduodenal artery

Question 7

What are the branches of the proper hepatic artery?

Answer 7

Right and Left hepatic artery
Right gastric artery
Cystic artery

Question 8

What are the branches of the gastroduodenal artery?

Answer 8

Right gastroepiploic artery

Superior pancreatoduodenal arteries

Question 9

What are the branches of the superior mesenteric artery?

Answer 9

Inferior pancreatoduodenal artery
Illeal and Jejunal arteries
Illeocolic artery
Right colic artery
Middle colic artery

Question 10

What does the right colic artery supply

Answer 10

ascending colon

Question 11

What does the middle colic artery supply

Answer 11

proximal 2/3rd of transverse colon

Question 12

At what level does the inferior mesenteric artery come off the aorta?

Answer 12

L3

Question 13

At what level does the SMA come off the aorta

Answer 13

L1

Question 14

At what level does the coeliac trunk come off the aorta?

Answer 14

Level of the aortic hiatus (T12)

Question 15

What are the major branches of the IMA?

Answer 15

Left colic artery
Sigmoid artery
Superior rectal artery

Question 16

What is the marginal artery?

Answer 16

An artery then runs in a continuous circle along the inner border of the colon. Made up of the ileocolic, right colic, middle colic and left colic arteries.