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Popliteal artery
The main artery that feeds the legs would be the femoral artery.
The common femoral vein is medial to the common femoral artery. The common femoral artery lies farther from the body's midline.
Deep femoral artery
I believe you would use a tracer chemical and an MRI or CT scanner.
Arteries carry blood from the heart. The main one is the Aorta which carries blood all over the body by branching into the carotid arteries (head), femoral arteries (legs), brachial arteries (arms) and so on. The other main artery is the pulmonary artery which takes blood to the lungs.
Femoral vein carries blood back to the hear from the legs.
The femoral vein drains blood from the leg into the torso.
left ventricle,hepatic artery,aorta,renal vein,vena cava,right ventricle,right atrium,and left atrium
The femur is the thigh-bone. The femoral nerve, artery and vein run between the groin and the knee.
The pulmonary artery takes blood from the right ventricle into the lungs; the pulmonary vein collects blood from the lungs back to the left atrium of the heart.
Some of the vessels are the basilar artery, internal carotid artery, external carotid artery,, external jugular vein, internal jugular vein, vertebral arteries, common carotid arteries, pulmonary arteries, pulmonary veins, heart, celiac trunk, hepatic vein, renal veins, gonadal vein, common iliac vein, common iliac artery, internal iliac artery, and internal iliac vein. Other vessels are great saphenous vein, femoral artery, femoral vein, popliteal artery, popliteal vein, and small saphenous vein.