Meanwhile, though there were foam cells in subendothelium and the slight damage in endothelium cells, but most of the lumen was smooth in AE group.

• ApoE~(-/-)小鼠运动组大部内皮细胞的腔面光滑平坦,内皮细胞损害较轻,内皮下仍见泡沫细胞,但层数较AC组少,中膜平滑肌以收缩型为主。