81 Basic pathologic changes Neuroglia Hypertrophy肥大 Proliferation增生 Astrocytes 胶质瘢痕( gliosis) Oligodendrocyte:卫星现象( satellitosis§1 Basic pathologic changes Neuroglia Hypertrophy肥大 Proliferation 增生 Astrocytes: 胶质瘢痕 (gliosis )、 Oligodendrocyte: 卫星现象（satellitosis）