Blood Supply of GI System

Question 1

Generally what supplies the foregut, midgut, and hindgut?

Answer 1

foregut-coeliac trunk of the abdominal aorta
midgut-super mesenteric a.
hindgut-inferior mesenteric a.

Question 2

What supplies the distal esophagus?

Answer 2

left gastric artery

Question 3

What supplies the stomach?

Answer 3

l/r gastric arteries, l/r gastroepiploic, splenic, posterior gastric, short gastric, and gastroduodenal arteries

Question 4

What supplies the duodenum proximal to the bile duct?

Answer 4

gastroduodenal and pancreaticoduodenal arteries

Question 5

What supplies hepatocytes?

Answer 5

hepatic portal vein

Question 6

What supplies the hepatic bile ducts?

Answer 6

proper hepatic a.

Question 7

What supplies the gall bladder and cystic duct?

Answer 7

Cystic a.

Question 8

What supplies the pancreas?

Answer 8

gastrododuodenal, pancreaticoduodenal, and splenic arteries

Question 9

What supplies the spleen?

Answer 9

Splenic a.

Question 10

Generally what supplies the midgut?

Answer 10

superior mesenteric a. from the abdominal aorta

Question 11

What supplies the duodenum?

Answer 11

pancreaticoduodenal a.

Question 12

What supplies the jejunum?

Answer 12

intestinal a.

Question 13

What supplies the ileum?

Answer 13

intestinal and ileocolic arteries

Question 14

What supplies the cecum?

Answer 14

ileocolic a.

Question 15

What supplies the appendix?

Answer 15

appendicular a.

Question 16

What supplies the ascending colon?

Answer 16

ileocolic and right colic arteries

Question 17

What supplies the proximal 2/3s of the transverse colon?

Answer 17

middle colic a.

Question 18

What supplies the distal 1/3 of the transverse colon?

Answer 18

middle colic from IMA of abdominal aorta

Question 19

What supplies the descending colon?

Answer 19

left colic from IMA of abdominal aorta

Question 20

What supplies the sigmoid colon

Answer 20

sigmoidal arteries from IMA of abdominal aorta

Question 21

What supplies the proximal rectum?

Answer 21

superior rectal from IMA of abdominal aorta

Question 22

What supplies the middle rectum

Answer 22

middle rectal from internal iliac artery

Question 23

What suuplies the distal rectum and anal canal?

Answer 23

inferior rectal artery from the internal pudenal

Question 24

What arteries make up the marginal artery of drummond?

Answer 24

Right colic a.
middle colic a.
left colic a.
sigmoid arteries

Question 25

What are the ways that the venous system can bypass the liver?

Answer 25

Esophageal veins
Anterior abdominal wall
rectal veins