目的：了解骨延长区假性生长板及其成骨方式的组织学特点。

Objective:To study the histological characteristics of osteoblast mode of pseudo growth plate in bone lengthening area.

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以后细胞阳性表达率迅速下降，定位于延长区骨小梁边缘的成骨细胞。

From the 20th d, its expression began to decrease rapidly and it was mainly localized in the osteoblasts around bone trabecula in lengthened bone segments.

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这一区域将被延长(见文章)。

This is about to be extended (see article).

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