anatomy of the brain and vasculature

disease aortic dissection aneurysms hemorrhagic stroke navicular internal brain bleeding neck stiffness arterial widening infundibular ruptured blood bath aneurysm saccular thoracic aorta rupture dissecting thinning wall loss knowledge renal hardening drop eyelid expansions subarachnoid hemorrhage types weakness vessel abdominal atherosclerosis human illustration health medical medicine pain anatomy surgery headache abdomen anatomical ventricular vessels transport fusiform bulge dangerous