The basement membrane thickened, while the internal elastic lamina thinned and disrupted in the >24 months old group, and the internal elastic laniina branched into media and the lipid deposited in the internal elastic lamina.
英
美
- （3）24月齡以上組基增厚，內彈性膜變薄，不均質(zhì)，邊緣伸出分支到中膜，內皮細胞和平滑肌細胞向內彈性膜穿過(guò)，內彈性膜內出現脂質(zhì)，并有分層、斷裂現象，膠原纖維增多。
