Fluord-gold(FG) was injected into C2.Brian sections were made after 1,4 and 8 weeks to observe the survival of rubrospinal neurons under fluorescence microscope.

• 荧光金(FG)于C2注射,1,4,8周脑切片,荧光显微镜下红核神经元记数观察红核神经元的存活。