Lumbar branch of iliolumbar artery

Lumbar branch of iliolumbar artery
The veins of the right half of the male pelvis. (Iliolumbar artery not labeled, but Iliolumbar vein visible at center right.)
Details
Identifiers
Latin	ramus lumbalis arteriae iliolumbalis
TA98	A12.2.15.003
TA2	4305
FMA	18849
Anatomical terminology [edit on Wikidata]

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.

Arteries of the abdomen and pelvis

Abdominal
aorta

Inferior phrenic

Superior suprarenal

Celiac

Left gastric	Esophageal branches
Common hepatic	Proper hepatic cystic Right gastric Gastroduodenal right gastroepiploic superior pancreaticoduodenal supraduodenal
Splenic	Pancreatic branches greater dorsal Short gastrics Left gastroepiploic

Superior mesenteric

Inferior pancreaticoduodenal
Intestinal
- jejunal
- ileal
- arcades
- vasa recta
Ileocolic
Right colic
Middle colic
- Marginal

Suprarenal

Middle suprarenal

Renal

Gonadal

Lumbar

Lumbar arteries

Inferior mesenteric

Common iliac

Internal iliac

Posterior surface

Iliolumbar	Lumbar branch Iliac branch

Anterior surface

Superior vesical artery	Umbilical artery Medial umbilical ligament to ductus deferens
Obturator	Anterior branch Pubic branch Posterior branch Acetabular branch Cruciate anastomosis Corona mortis
Middle rectal	Vaginal branch ♀ / Prostatic branch ♂
Uterine ♀	Arcuate Vaginal branches Ovarian branches Tubal branches Spiral
Vaginal ♀ / Inferior vesical ♂
Inferior gluteal	Accompanying of sciatic nerve Cruciate anastomosis
Internal pudendal	Inferior rectal Perineal posterior scrotal posterior labial Bulb of penis/vestibule Urethral Deep artery of the penis helicine Deep artery of clitoris Dorsal of the penis Dorsal of the clitoris