abdominal Aorta
start ▶️ T12
single branches
-front
Celiac trunk ▶️ upper border L1
superior mesentric ▶️ lower border L1
inferior mesentric ▶️ L3
-back
median sacral ▶️ lower border L4
Paired branches
inf. phrenic ▶️ at begining
middle suprarenal ▶️ L1
Renal ▶️ upper border of L2
Gonadal ▶️ L2 just below renal
Lumbar ▶️ 4 pairs from aorta, 5th from median sacral
common illiac ▶️ lower border L4