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

Figure 2

Photomicrographs of the rat septal mucosa, 2 and 5 days after injury, with or without cigarette smoke exposure. (a) Minimal infiltrate with neutrophils and lymphocytes, after 2 days of cigarette smoke exposure. (b) Multifocal dysplasia after 2 days in the control group. (c) Goblet cell hyperplasia and epithelial dysplasia, after 5 days of cigarette smoke exposure. (d) Hypertrophy of the mucosal glands in the experimental group after 5 days (hematoxylin and eosin stain; original magnification ×100, ×200).

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(b)

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