abdominal aorta

Question 1

between which vertebrae does the abdominal aorta lie?

Answer 1

T12 - L4

Question 2

when does the abdominal aorta bifurcate?

Answer 2

abdominal aorta bifurcates into the common iliac arteries at L4

Question 3

the three main anterior branches of the abdominal aorta are…

Answer 3

1. coeliac trunk (T12-L1) - foregut
2. superior mesenteric artery (L1-L2) - midgut
3. inferior mesenteric artery (L3) - hind gut

Question 4

the four main lateral branches of the abdominal aorta…

Answer 4

1. inferior phrenic artery (T12)
2. middle suprarenal (L1)
3. renal artery (L2)
4. gonadal (L3)

Question 5

the two posterior branches of the abdominal aorta…

Answer 5

1. four pairs of lumbar arteries (L1-L4)

2. median sacral artery (L4)