Samiksha Jaiswal (Editor)

Iliolumbar artery

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Source
  
Internal iliac artery

Latin
  
Arteria iliolumbalis

FMA
  
18845

Vein
  
iliolumbar vein

TA
  
A12.2.15.002

Iliolumbar artery

The iliolumbar artery is the first branch of the posterior trunk of the internal iliac artery.

Contents

Structure

The iliolumbar artery turns upward behind the obturator nerve and the external iliac artery and vein, to the medial border of the psoas major, behind which it divides into:

  • Lumbar branch of iliolumbar artery
  • Iliac branch of iliolumbar artery

    • 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.

    • References

    Iliolumbar artery Wikipedia
    (Text) CC BY-SA