detailed of blood vessels showing a complex network of veins and arteries, highlighting the vascular system and its

detail blood vessel showing complex network vein artery capillary arteriole highlighted graphic system surgery wall provide resistance human body vasospasm graft vascular natural science technical intricacy biology oxygen concept amine lymphatic nervorum perfusion microcirculation macroanatomy venule medicine visual aneurysm vasoactive organ thrombosis detailed vessels veins arteries highlighting intricate structure generative