Conclusion(1) The use of neural tracer BDA permits the directly identification of labeled axonal transport of sciatic nerve without difficult processing .

• BDA注射点远侧及近侧1cm、2cm无明显的轴突阳性染色纤维。 局部注射10%25BDA之坐骨神经远端切断结扎处于注射试剂后6小时即可见阳性标记的神经纤维，其轴突着色明显。