The remarkable changes of contact stress of patellofemoral joint, the cartilaginous degeneration, and matrix proteoglycan loss not found in the lateral cartilaginous side of patella.
而髌骨外侧面软骨接触压力无明显改变，软骨变性不明显，蛋白多糖含量无明显减少。
The results are as follows: 1. Degeneration of cartilage cells of different degrees were seen in the cartilaginous tissues examined.
观察结果为：1。在胚胎的软骨组织内，不同程度地存在一些软骨细胞散在的退变消失现象及单个软骨细胞残影。
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