External Iliac Image

External iliac vessels and their branches in a cadaver: The external iliac artery originates from the common iliac artery. Arteries have thick, muscular walls, hence they have a firmer consistency compared to veins. The inferior epigastric artery branches from the external iliac artery just posterior to the inguinal ligament.

The external iliac lymph nodes can be found surrounding the external iliac artery and act as the draining nodes for several regions of the pelvis and lower limb.

In the abdomen, the aorta splits into the right and left common iliac arteries. At the pelvic brim, each common iliac artery splits into the internal and external iliac arteries. Each external iliac artery courses downward and laterally, turning into the femoral artery, which supplies each leg.

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Iliac Crest Picture Image

Last Updated: Jun 9, 2015. The iliac crest is the curved superior border of the ilium, the largest of the three bones that merge to form the os coxa, or hip bone.

The Iliac Crest Bone Marrow and Bone Grafts. When a bone marrow biopsy or harvest for donation is needed, the iliac crest is where doctors prefer to go for red bone marrow. It is easy to find and has a large supply of marrow. It is also a site that is used to harvest bone for grafting.

Direct impact on the iliac crest can cause tissue and bone bruising, swelling and inflammation, and even bone fracture. Hip pointer injuries cause immediate, intense pain and tenderness over the upper hip. There can also be muscular spasms and a decline in the strength and range of motion of the affected hip and leg.

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