Vessels Of The Abdomen: Coelic Trunk, SMA + IMA + Veins

Question 1

What does the coeliac trunk supply?

Answer 1

Foregut

Question 2

What vertebral level does the coeliac trunk bifurcate from the abdominal aorta?

Answer 2

T12

Question 3

What are the branches of the coeliac trunk?

Answer 3

Left gastric artery
Splenic artery
Common hepatic artery

Question 4

Name the branches from the common hepatic artery
What is the CHA called after?

Answer 4

Gastroduodenal artery
Right gastric artery
CHA becomes proper hepatic artery

Question 5

How do you find the coeliac trunk on a prosection?

Answer 5

1- find liver + lift left lobe
2- find stomach + pull to right
- coeliac trunk in middle ‘of the clock’

Question 6

What does the superior mesenteric artery supply?

Answer 6

Midgut

Question 7

What vertebral level does the superior mesenteric artery bifurcate from the abdominal aorta?

Answer 7

L1

Question 8

What are the branches of the superior mesenteric artery?

Answer 8

• Jejunal + ileal arteries
• Ileocolic trunk > appendicular artery (to appendix)
• Right colic artery
• Middle colic artery

Question 9

How do you find the superior mesenteric artery in a prosection?

Answer 9

1- lift stomach + pancreas
2- at L1 (under pyloric sphincter)

Question 10

What does the middle colic artery supply?

Answer 10

Transverse colon

Question 11

What does the right colic artery supply?

Answer 11

Ascending colon

Question 12

What does the ileocolic trunk supply?

Answer 12

Caecum
(Terminal ileum
Start of colon)

Question 13

What do the jejunal + ileal arteries supply?

Answer 13

Jejunum
Ileum

Question 14

What dos the inferior mesenteric artery supply?

Answer 14

Hindgut

Question 15

What vertebral level does the inferior mesenteric artery bifurcate from the abdominal aorta?

Answer 15

L3

Question 16

What vertebral level does the abdominal aorta bifurcate?
Into what

Answer 16

L4
Common iliac arteries

Question 17

How do you find the inferior mesenteric artery on a prosection?

Answer 17

1- find bifurcation of abdominal aorta (L4)
2- small artery on left just above (L3)

Question 18

What are the branches of the inferior mesenteric artery?

Answer 18

Left colic artery
Sigmoid arteries

Question 19

What does the left colic artery supply?

Answer 19

Descending colon

Question 20

What do the sigmoid arteries supply?

Answer 20

Sigmoid colon

Question 21

What does the inferior mesenteric artery become as it enters the pelvic cavity?

Answer 21

Superior rectal artery

Question 22

What is the blood supply to the greater curve of the stomach?

Answer 22

Short gastric arteries
Left gastroepiploic artery
Right gastroepiploic artery

Question 23

What are the branches of the splenic artery?

Answer 23

Short gastric arteries
Left gastroepiploic artery

Question 24

What is the blood supply to the lesser curve of the stomach?

Answer 24

Left gastric artery
Right gastric artery

Question 25

What are the branches of the gastroduodenal artery?

Answer 25

Superior pancreticoduodenal artery Right gastroepiploic artery

Question 26

What is the blood supply to the gall bladder?

Answer 26

Cystic artery Branches off the right hepatic artery

Question 27

What drains the midgut?

Answer 27

Superior mesenteric vein

Question 28

What drains the foregut?

Answer 28

Splenic vein

Question 29

What drains the hindgut?

Answer 29

Superior rectal vein > inferior mesenteric vein

Question 30

Why is the superior mesenteric vein so large?

Answer 30

The majority of reabsorption occurs in the small intestine (midgut) so large volume of blood needs to be filtered by the liver

Question 31

What drains into the hepatic portal vein?

Answer 31

Superior mesenteric vein Splenic vein (Inferior mesenteric vein)

Question 32

State the veins from the rectum to the liver

Answer 32

Superior rectal vein Inferior mesenteric vein Splenic vein Hepatic portal vein

Question 33

Where does the cystic artery branch off?

Answer 33

Right hepatic artery

Question 34

Where does the right gastroepiploic artery branch from?

Answer 34

Gastroduodenal artery

Question 35

Where do the superior and inferior pancreaticoduodenal arteries arise from?

Answer 35

Superior - gastroduodenal artery Inferior - SMA