Figure 4From: PR-39, a porcine host defence peptide, is prominent in mucosa and lymphatic tissue of the respiratory tract in healthy pigs and pigs infected with actinobacillus pleuropneumoniaeImmunohistochemical demonstration of PR-39 in nasal mucosa of mock infected pig 3. A) Semiserial haematoxylin-eosin stained histological section, bar 50 μm. B) PR-39 is localized within the cytoplasm of small positive cells with segmented nuclei resembling PMNs (arrows) in subepithelial tissue, bar 50 μm.Back to article page