Figure 3. Changes of the suture on histological sections. Hematoxylin and eosin staining of the parietal suture. Sevenday phosphate-buffered saline (PBS) no expansion (A), 7-day PBS expansion (A′), 14-day PBS no expansion (B), 14-day PBS expansion (B′), 28-day PBS no expansion (C), 28-day PBS expansion (C′), 7-day cetirizine no expansion (D), 7-day cetirizine expansion (D′), 14-day cetirizine no expansion (E), 14-day cetirizine expansion (E′), 28-day cetirizine no expansion (F), and 28-day cetirizine expansion (F′). Scale bar = 100 µm.