3d rendering image of the human brain showing normal arteries in the head by ct scanner.

2d 3d anatomy and aneurysm angiogram angiography arteries artery background blood brain by cerebral cerebrovascular circle circulation computed contrast ct cta diagnosis disease equipment examination head headache health hospital human image imaging injury media medical medicine neurosurgery normal patient people radiation radiology reconstruction rendering resonance scan scanner showing skull stroke surgery system technology tomography vascular vasculature willies