The knee OA were established by cutting off posterior cruciate ligament and anterior cruciate ligament and menisci in OA model group. The operation was successful if the anterior drawer test was positive .
造模组，骨性关节炎的造模方法是，于鸡的膝关节切断前后交叉韧带，切除半月板，直到确认膝关节抽屉试验阳性。
参考来源 - 外固定支架及骨炎定对骨性关节炎的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Menisci can be easily torn with sharp, rapid motions.
半月板撕裂，可以很容易用锋利的快速运动。
Ho: YAG laser vaporizes, cuts and repairs torn menisci through its photo thermal effects.
钬激光通过其光热作用，对损伤半月板汽化、切割、修整。
PURPOSE: To determine diurnal variation of tear menisci around upper and lower eyelids in normal subjects.
目的：确定正常个体中上下眼睑周围泪河凹面的昼夜变化。
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