Iliolumbar artery

Iliolumbar artery
The veins of the right half of the male pelvis. (Iliolumbar artery not labeled, but Iliolumbar vein visible at center right.)
Details
SourceInternal iliac artery
BranchesLumbar branches of iliolumbar artery
VeinIliolumbar vein
SuppliesLumbar vertebrae, ilium
Identifiers
Latinarteria iliolumbalis
TA98A12.2.15.002
TA24304
FMA18845
Anatomical terminology

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

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
    Iliolumbar artery

References

Public domain This article incorporates text in the public domain from page 621 of the 20th edition of Gray's Anatomy (1918)

  1. ^ Paterson-Brown, Sara (2010-01-01), Bennett, Phillip; Williamson, Catherine (eds.), "Chapter Five - Applied anatomy", Basic Science in Obstetrics and Gynaecology (Fourth Edition), Churchill Livingstone, pp. 57–95, doi:10.1016/b978-0-443-10281-3.00009-9, ISBN 978-0-443-10281-3, retrieved 2021-02-07
  2. ^ 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. doi:10.2214/ajr.102.2.392. PMID 5635691.


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