或股骨头缺血性坏死，是由多种原因导致的股骨头局部血运不良，从而引起骨细胞进一步缺血、坏死，骨小梁断裂。
Or femoral head anemic necrosis, is the femoral head partial blood circulation which causes by many kinds of reasons bad, thus causes the bone cell further ischemia, necrosis, bone young Liang breaks.
同时，还能抑制纤维母细胞的增生，从而导致皮肤弹性纤维发生断裂。
In the meantime, return the hyperplasia that can restrain fiber mother cell, bring about skin flexibility thereby fiber happening ruptures.
最后，甲基化试剂再进攻集合物中的硫醚，从而导致碳硫键的断裂。
Finally, methylating agent attacks sulfide in assemblage to cleavage carbon - sulfur bond.
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