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The lumbar branch of the iliolumbar artery (ramus lumbalis) supplies the psoas major and quadratus lumborum, anastomoses with the last lumbar artery, and sends a small spinal branch through the intervertebral foramen between the last lumbar vertebra and the sacrum, into the vertebral canal to supply the cauda equina.
| List of arteries of torso - abdomen |
|---|
AA:
Anterior |
| celiac |
left gastric: esophageal branches
splenic:
pancreatic branches
(greater, dorsal) –
short gastric –
left gastro-omental
common hepatic:
proper hepatic
(cystic),
right gastric,
gastroduodenal (right gastro-omental, superior pancreaticoduodenal, supraduodenal)
|
| SMA |
inferior pancreaticoduodenal –
intestinal (jejunal, ileal, arcades, vasa recta) –
ileocolic (colic, anterior cecal, posterior cecal, ileal branch, appendicular) –
right colic –
middle colic
|
| IMA |
left colic –
sigmoid –
superior rectal –
marginal
|
|
|---|
AA:
Posterior |
visceral: middle suprarenal –
renal
(inferior suprarenal, ureteral) –
gonadal (testicular ♂/ovarian ♀)
parietal: inferior phrenic
(superior suprarenal) –
lumbar –
median sacral
terminal: common iliac (IIA, EIA)
|
|---|
IIA:
Anterior |
umbilical (superior vesical, to ductus deferens) –
middle rectal –
obturator (anterior branch, posterior branch) –
inferior gluteal (accompanying of ischiadic nerve, crucial anastomosis)
uterine ♀ (helicine, vaginal of uterine, ovarian of uterine, tubal of uterine) –
vaginal ♀/inferior vesical ♂
internal pudendal: inferior rectal –
perineal (urethral) –
posterior scrotal ♂/labial ♀ –
bulb of penis ♂/vestibule ♀ –
deep artery of the penis ♂ (helicine)/clitoris ♀ –
dorsal of the penis ♂/clitoris ♀
|
|---|
IIA:
Posterior |
iliolumbar (lumbar, iliac) –
lateral sacral –
superior gluteal
|
|---|
| EIA |
inferior epigastric
(cremasteric, round ligament) –
deep circumflex iliac –
femoral
|
|---|
