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Gross differences are observed in mouse hemi-sected heads demonstrating sinus mucosa (arrow) harvested 24 hours after (A) saline and (B) 320 μM LL-37 treatment. Animals treated with LL-37 (B) demonstrated increased inflammatory changes, as assessed by vascularity, erythema, hemorrhage, and edema compared to saline (A)-treated animals. Olfactory bulb (OB), posterior (Pos), anterior (Ant).
