血管周围细胞的营养不足，引起外膜的变性。
Inadequate cell nutrition around vessels causes degeneration of tunica adventitia.
在标准剂量下，阿司匹林并不影响细胞，但似乎能瓦解那些对血管起支撑结构的周围蛋白。
At standard doses, aspirin did not affect the cells, but seemed to disrupt the surrounding proteins that provide a support structure for blood vessels.
通过模拟血管壁平滑肌细胞周围基质，这种支架可用于修复血管损伤。
Such scaffolds might be used to repair damaged arteries by mimicking the natural matrices that surround smooth muscle cells in vessel walls.
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