Anatomy
·Abdomen
Mesenteric Arteries (SMA & IMA)
⭐ PREMIUM
The SMA (midgut) and IMA (hindgut) supply the bulk of the intestine; their territories and the watershed zones are high-yield.
SUPERIOR MESENTERIC ARTERY (L1) — MIDGUT
• Branches: inferior pancreaticoduodenal, jejunal + ileal (arcades), ileocolic, right colic, middle colic.
• Territory: distal duodenum → proximal 2/3 of transverse colon.
INFERIOR MESENTERIC ARTERY (L3) — HINDGUT
• Branches:…
Premium content · keep reading
Sign up for the 7-day free trial to read the full note plus all 6,359 MCQs, mock exams, recalls and mnemonics.