[Pathologic aspects of disorders of cerebral circulation in arterial hypertension and atherosclerosis].

1500 lethal cases of apoplexy have been analyzed. The site, morphology and pathogenesis of small disturbances of brain circulation characteristic for each type of vascular encephalopathies are studied. Anatomo-pathologic classification of brain circulation disturbances are enlarged by meningeal hemorrhages and vascular encephalopathies. Pathologic and adaptive alterations are investigated starting from the major head arteries up to microcirculatory bed of the brain.