Fig. 1From: Effect of formaldehyde inhalation on rabbit nasal mucosa: a light microscopic study—an animal model for inhalational irritants on nasal mucosaNasal mucosa (control group) showing well-organized tissue layers: uniform pseudostratified columnar epithelium (black arrow); overlying connective tissue lamina propria, with scattered uniform blood vessels (red arrows); and underlying cartilage (arrowhead) (H&E, ×10)Back to article page