Fig. 3From: Effect of formaldehyde inhalation on rabbit nasal mucosa: a light microscopic study—an animal model for inhalational irritants on nasal mucosaNasal mucosa (group 2) characterized by disrupted nasal tissue, ulcerated epithelial covering, markedly dilated blood vessels in the lamina propria (red arrow), and mild inflammatory reaction (H&E, ×10)Back to article page