Fig. 7
Gross and Microscopic picture of granulomatous pneumonia in sheep lung. A Multifocal, variable sized nodules diffusely disseminated on the surface of lungs. Granulomatous involves most of the lung lobe (yellow arrow). B and C Granulomatous reaction consists of central area of necrosis (asterisks) surrounded by inflammatory cells and fibrous connective tissue. D Swollen and vacuolated cytoplasm cells with no nucleus (black arrows)