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Iliolumbar artery

Iliolumbar artery
File:Gray585.png
The veins of the right half of the male pelvis. (Iliolumbar artery not labeled, but Iliolumbar vein visible at center right.)
Details
Latin Arteria iliolumbalis
Source
Internal iliac artery
iliolumbar vein
Identifiers
Gray's p.621
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Anatomical terminology

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

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:

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.[1]

Additional Images

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

  1. ^ Chait, A; Moltz, A; Nelson, JH (February 1968). "The collateral arterial circulation in the pelvis. An angiographic study.". American Journal of Roentgenology 102 (2): 392–400. PMID 5635691. 

External links

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