Damaged in automatic regulation of cerebral blood f, Infarction zone Penumbra zone Edema zone 半暗区 选择性舒张颅内痉挛血管 72Damaged in automatic regulation of cerebral blood flow Infarction zone Penumbra zone Edema zone 选择性舒张痉挛血管 梗塞区半暗区 选择性舒张颅内痉挛血管