Histology of the proximal and distal tibia was made and the thickness of the growth plate was measured . [ result ] tibial osteotomy alone stimulated the longitudinal growth of the tibia and increased the thickness of the growth plate 结果胫骨中部骨干行单纯截骨后,增加胫骨纵向生长和胫骨远近端骨骺生长板的厚度,胫骨中部骨干行截骨延长后,胫骨纵向生长和胫骨远近端骨骺生长板的厚度没有改变。