Figure 1From: Localization of annexins A1 and A2 in the respiratory tract of healthy calves and those experimentally infected with Mannheimia haemolytica Immunohistochemistry for annexin A1 in normal tissues. (A) Trachea, with intense labeling of surface epithelium and mucosal glands. Bar = 100 μm. (B) Bronchus, with labeling of surface epithelium including cilia and goblet cells (arrows). Bar = 70 μm. (C) Weaker labeling of bronchiolar epithelium. Bar = 50 μm.Back to article page