Merck Manual

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Diffuse granulomatous fungal airsacculitis
Diffuse granulomatous fungal airsacculitis
Diffuse granulomatous fungal airsacculitis

Numerous firm, white to tan fungal granulomas of varying sizes diffusely distributed throughout the thoracic and abdominal airsacs of a turkey poult.

Courtesy of Dr. M.E. Lighty.