Iliacus Branch of Iliolumbar Artery
Ramus iliacus arteriae iliolumbalis
Read moreQuick Facts
Origin: Iliolumbar artery of the posterior division of the internal iliac artery.
Course: Traverses the iliac fossa between the iliacus muscle and ilium.
Branches: Nutrient branch to ilium.
Supplied Structures: Iliacus muscle and ilium.
Related parts of the anatomy
Origin
The iliacus branch of the iliolumbar artery is one of two branches of the iliolumbar artery, the other is the lumbar branch. The iliolumbar artery branches posterior to the medial border of psoas major muscle.
Course
The iliacus branch travels along the iliac fossa to supply the iliacus muscle.
Branches
The iliacus branch of iliolumbar artery provides a large nutrient branch that supplies the ilium.
Supplied Structures
The iliacus branch of iliolumbar artery supplies the iliacus muscle and the ilium. Additionally, it forms anastomoses with iliac branches of the obturator artery.
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Artery
When the artery is occluded blood is forced through the collateral vessels, drastically increasing fluid shear stress and triggering an inflammatory response which drives vessel remodeling.
