Gray's Anatomy first illustrated the femoral artery in 1910. Even then, the famous medical text could not show a full dissection of the vessel. This large artery is mostly located in the thigh region and is responsible for supplying much of the blood to the leg. At the back of the knee, the femoral artery becomes the popliteal artery.
Branching out from the common iliac artery, external iliac arteries supply the pelvic organs and the gluteal region. After traveling along the psoas major, a long muscle connected to the lumbar spine that skirts the pelvic edge, this artery becomes the inferior epigastric artery and the deep circumflex artery, both of which provide blood to the lower abdomen. One external iliac passes underneath the inguinal ligament on each side, becoming the femoral artery.
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