Figure 1:

Histological examination by H&E and trichrome staining: (A) and (B) represent H&E staining of the carotid arteries of control and oxLDL treatment groups and (C) and (D) represent trichrome staining of the carotid arteries of control and oxLDL treatment groups, respectively. Black arrows point the medial layer, green arrows represent endothelial layer, orange arrows indicate internal elastic membrane, red arrows highlight plaque formation, violet arrows show fibrous cap, and yellow arrow displays the lipid rich necrotic core and foam cell formation.