Iliolumbar artery
Blood vessel From Wikipedia, the free encyclopedia
The iliolumbar artery is the first branch of the posterior trunk of the internal iliac artery.
Iliolumbar artery | |
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![]() The veins of the right half of the male pelvis. (Iliolumbar artery not labeled, but Iliolumbar vein visible at center right.) | |
Details | |
Source | Internal iliac artery |
Branches | Lumbar branches of iliolumbar artery |
Vein | Iliolumbar vein |
Supplies | Lumbar vertebrae, ilium |
Identifiers | |
Latin | arteria iliolumbalis |
TA98 | A12.2.15.002 |
TA2 | 4304 |
FMA | 18845 |
Anatomical terminology |
Structure
The iliolumbar artery is the first branch of the posterior trunk of the internal iliac artery.[1] It turns upward behind the obturator nerve and the external iliac artery and vein, to the medial border of the psoas major muscle, behind which it divides into:
Anastomoses
- 1. Last lumbar→iliolumbar
- 2. Lateral sacral↔lateral sacral
- 3. Middle sacral→lateral sacral
- 4. Superior hemorrhoidal→middle hemorrhoidal
- 5. Medial femoral circumflex→inferior gluteal
- 6. Medial femoral circumflex↔obturator
- 7. Lateral femoral circumflex→superior gluteal
- 8. Deep iliac circumflex→superior gluteal
- 9. Deep iliac circumflex→external iliac
- 10. Last lumbar→superior gluteal
- 11. Last lumbar→deep iliac circumflex
- 12. Iliolumbar→deep iliac circumflex.[2]
Additional images
- Iliolumbar artery
References
External links
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