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The common iliac artery is a large artery of the abdomen paired on each side. It originates from the aortic bifurcation at the level of the 4th lumbar vertebra . It ends in front of the sacroiliac joint , one on either side, and each bifurcates into the external and internal iliac arteries .
The external iliac artery arises from the bifurcation of the common iliac artery. They proceed anterior and inferior along the medial border of the psoas major muscles . They exit the pelvic girdle posterior and inferior to the inguinal ligament .
In human anatomy, the iliac arteries are three arteries located in the region of the ilium in the pelvis: . Common iliac artery – forms at terminus of the aorta; External iliac artery – forms where the common iliac artery bifurcates, continues as the femoral artery at the inguinal ligament
The lengths of the common iliac and internal iliac arteries bear an inverse proportion to each other, the internal iliac artery being long when the common iliac is short, and vice versa. The place of division of the internal iliac artery varies between the upper margin of the sacrum and the upper border of the greater sciatic foramen.
The axillary artery; The brachial artery; The radial artery; The ulnar artery; The arteries of the trunk The descending aorta. The thoracic aorta; The abdominal aorta; The common iliac arteries The hypogastric artery; The external iliac artery; The arteries of the lower extremity The femoral artery; The popliteal artery; The anterior tibial artery
The common iliac lymph nodes, four to six in number, are grouped behind and on the sides of the common iliac artery, one or two being placed below the bifurcation of the aorta, in front of the fifth lumbar vertebra. They drain chiefly the hypogastric and external iliac glands, and their efferents pass to the lateral aortic glands.
Although less common than May-Thurner syndrome, it is being progressively documented due to modern imaging methods. Compression of the left external iliac vein by the right common iliac artery or left hypogastric artery can occur as it crosses over the vein into the pelvis. The right external iliac vein can similarly be compressed.
As the common femoral vein leaves the inguinal ligament region it becomes the external iliac vein. [4] Other tributaries of the femoral vein are lateral and medial circumflex femoral veins. The common femoral vein is the segment of the femoral vein between the branching point of the deep femoral vein and the inferior margin of the inguinal ...