Aorta

Question 1

What are the branches of the abdominal aorta?

Answer 1

Inferior phrenic
Celiac
Right and left middle suprarenal arteries
SMA
Right and left renal arteries
Right and left ovarian/testicular
Right and left lumbar arteries
IMA
Median sacral artery

Question 2

Answer 2

Question 3

What vertebral levels does the abdominal aorta start and end?

Answer 3

T12

L4

Question 4

What is the level of the aortic bifurcation?

Answer 4

L4

Question 5

Peritoneal relation of the abdominal aorta

Answer 5

Retroperitoneal

Question 6

Answer 6

Question 7

Vertebral level of the celiac trunk

Answer 7

T12

Question 8

Vertebral level of the SMA

Answer 8

L1

Question 9

Vertebral level of the IMA

Answer 9

L3

Question 10

Vertebral level of the middle suprarenal artery

Answer 10

L1

Question 11

Vertebral level of the renal artery

Answer 11

L1 - L2

Question 12

Vertebral level of the gonadal artery

Answer 12

L2

Question 13

Vertebral level of the inferior phrenic artery

Answer 13

T12

Question 14

Vertebral level of the lumbar arteries

Answer 14

L1 - L4

Question 15

What branches contribute to the anastomosis of the branches of the abdominal aorta at the duodenum?

Answer 15

Celiac artery: superior pancreaticoduodenal artery
Superior mesenteric artery: inferior pancreaticoduodenal artery

Question 16

What branches contribute to the anastomosis of the branches of the abdominal aorta at the distal third of the transverse colon?

Answer 16

Superior mesenteric artery: middle colic artery
Inferior mesenteric artery: left colic artery

Question 17

What branches contribute to the anastomosis of the branches of the abdominal aorta at the rectum?

Answer 17

Inferior mesenteric artery: superior rectal artery
Internal iliac artery: middle rectal artery

Question 18

Riolan anastomosis (part of the marginal artery of Drummond)

Answer 18

Anastomosis between branches of middle colic artery and left colic artery
Provides collateral blood supply to the splenic flexure

Question 19

Marginal artery of Drummond

Answer 19

Anastomosis between the terminal branches of the superior and inferior mesenteric artery

Runs along the inner mesenteric border of the colon
Extends from ileocecal junction to the rectosigmoid junction

Poorly developed in the splenic flexure and rectosigmoid region (watershed areas)