Evans Blue(30g /L)was injected through the fem oral vein in another6animals in7or14days after optic nerve transection(n= 3for each time point),respectively,then warm saline was perfused2hours lat er.

• 另外6只存活7d或14d(每时间点各3只)后,股静脉注射30g/L伊文思蓝。