It also builds up in the capillaries causing the basement membrane to thicken which makes it harder for oxygen to efficiently move from the vascular space to the tissues, causing hypoxia and death of the smooth muscle cells.

它还聚集在毛细血管中，使基底膜变厚，造成氧气更难从血管间隙高效地转移到组织中，导致缺氧、平滑肌细胞死亡。