How does cerebral infarction form?

Cerebral infarction, also known as ischemic stroke, refers to the cerebral blood circulation disorders, ischemia and hypoxia caused by localized ischemic necrosis or softening of brain tissue. Atherosclerosis thrombotic cerebral infarction is a common type of cerebral infarction, on the basis of cerebral atherosclerosis caused vascular lesions, lumen stenosis, occlusion, thrombosis, resulting in local brain tissue, due to blood supply interruption and ischemic necrosis, resulting in corresponding nervous system symptoms and signs. In acute cerebral infarction, ischemic center and peripheral penumbra form ischemic center necrosis group ischemic penumbra, the brain tissue of this area is reversible, early improvement of blood supply cells may recover and survive, can make symptoms lighter.