Iliolumbar artery
The iliolumbar artery is the first branch of the posterior trunk of the internal iliac 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 | |
| Source | Internal iliac artery |
| Vein | iliolumbar vein |
| Identifiers | |
| Latin | Arteria iliolumbalis |
| TA98 | A12.2.15.002 |
| TA2 | 4304 |
| FMA | 18845 |
| Anatomical terminology | |
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
Iliolumbar artery
References
This article incorporates text in the public domain from page 621 of the 20th edition of Gray's Anatomy (1918)
- 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.
External links
- Anatomy photo:44:10-0100 at the SUNY Downstate Medical Center
- Radiology image: Pelvis:15PelArt from Radiology Atlas at SUNY Downstate Medical Center (need to enable Java)
- Anatomy figure: 43:07-02 at Human Anatomy Online, SUNY Downstate Medical Center
- pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (pelvicarteries)
- Illustration at mrcog-wiseowl.com
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