真菌性肉芽肿，曲霉病，雏火鸡
Photomicrograph of a histological section of lung tissue from a turkey poult with respiratory signs of aspergillosis. The image shows a focal granuloma with multinucleated giant cells (arrow), consistent with fungal pneumonia. H&E stain; scale bar = 50 mcm.
Courtesy of Dr. M. E. Lighty.
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