littermate

Method PTPα deficient and wild type littermate mice of postnatal day 60 are employed.The ultrastructure of the cross section of sciatic nerve was studied under transmission electron microscope.

方法同窝出生60天的PTPα-/-和野生型小鼠，用透射电镜观察其坐骨断面的超微结构，并对有髓纤维的髓鞘厚度和数量态计量分析。