3d foot and leg red blood veins arteries, aorta knit tangled white background. vascular disease is varicose veins. venous system.

varicose vascular knit vessel human body anatomy aorta abstract artery beautiful biology blood capillary cardiovascular care cells circulatory diagnosis experiment foot health hemoglobin hospital icon injection isolated leg life medical medication medicine object pharmacy red research science shape surgeon surgery surgical symbol system therapies treatment vaccination vaccine vein white veins arteries tangled background disease venous clinical aspects clipping path background veins system