Vasculature of the Abdomen and Pelvis

Branches of the Abdominal Aorta

Inferior phrenic a.

Middle Suprarenal

Right Renal a.

⭐ Celiac Trunk

⭐ Superior Mesenteric Artery (L1)

Left Renal

Left Gonadal

⭐ Inferior Mesenteric Artery

Branches of the Inferior Vena Cava

Left Gonadal Vein drains into the left renal vein while the Right Gonadal Vein drains directly into the IVC

Left Common Iliac

Right Common Iliac

Left External Iliac

Left Internal Iliac

Median Sacral

Right External Iliac

Right Internal Iliac

Left Gastric Artery

Splenic Artery

Common Hepatic Artery

Inferior Pancreatoduadonel a.

Middle Colic a.

Right Colic a.

Ileocolic a.

Jejunal and ileal aa.

Intestinal aa.

Appendicular a.

Left Colic a.

Sigmoid aa.

Superior rectal a.

Marginal Artery

Deep circumflex Iliac a.

Inferior Epigastric a.

Iliolumbar a.

Lateral Sacral a.

Superior gluteal a.

Inferior gluteal a.

Internal pudendal a.

Uterine a.

Middle Rectal a.

Obturator a.

Umbilical a. (obliterates into medial umbilical ligament)

Superior vesical aa.

Passes between the rami of S1 and the lumboscaral n.

⚠ Right and Left Iliac Branches are the same

Jejunal has few arterial arcades and long vasa recta

Ileal has many arterial arcades and few vasa recta

Inferior Suprarenal

Superior Suprarenal

SMA crosses over the left renal vein, can compress it and cause "nutcracker syndrome" with pain and hematuria

Right renal v. is shorter than the left renal v.

Only one suprarenal v. per side

Portal Systemic Anastomoses

SMV to HPV

IMV to Splenic V

Splenic Vein to HPV

HPV to IVC

Gastroduodenal a.

Hepatic a. proper

Right gastric a.

Superior Pancreaticoduodenal a.

R/L Hepatic a.

Along superior border of Pancreas