[Lung defense mechanisms in alveolar regions].
D000818:Animals; D000831:Animals, Newborn / Q000276:immunology; D001992:Bronchoalveolar Lavage Fluid / Q000276:immunology*; D005260:Female; D008262:Macrophage Activation; D008264:Macrophages / Q000276:immunology*; D011650:Pulmonary Alveoli / Q000276:immunology*; D011817:Rabbits