Figure 3: Photomicrograph of elastic artery stained with hematoxylin and eosin stain from (a) Group 1 (control) (×10), (b) Group 1 (control) (×40); (c) Group 2 (CH) (×10); (d) Group 2 (CH) (×40); (e) Group 3 (Cil) (×10); (f) Group 3 (Cil) (×40); (g) Group 4 (CH + Cil) (×10); (h) Group 4 (CH + Cil) (×40). A: Hyperplastic smooth muscle cells, B: Increase in wall thickness. CH: Chronic hypoxia, Cil: Cilnidipine