The ultrastruc-ture changes throughout cerebrum in RHR were initially appeared at infarction area that the microvascular structures were necrosis and the damage was complete irreversible.

• 显示局部脑梗塞后发生全脑性改变,其损害程度和出现时间梗塞区最早,以坏死为主,呈完全不可逆性损害;