Effect of Cigarette Smoke on Wound Healing of the Septal Mucosa of the Rat

Figure 9

Micrographs showing periodic acid–Schiff-stained sections of nasal cavity; (a) represents the control group, while (b), (c), (d), (e), and (f) present the PAS-stained mucosubstances at 2, 5, 14, 28, and, respectively, 48 days subsequent to septal injury. PAS positive goblet cells from nasal mucosa are indicated by the arrows; periodic acid–Schiff, Obx100; scale bar = 50 μm periodic acid-Schiff stain.

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