Fig. 3
From: Intracardiac tuberculomas caused by Mycobacterium tuberculosis in a dog
Microscopic view of tissues affected with tuberculosis in the dog, hematoxylin-eosin staining: a) two small granulomas with central area of necrosis in lung tissue–note proteinaceous fluid in surrounding alveoli; magnification 40×; b) details of granuloma in myocardium, note presence of central area of necrosis surrounded by epithelioid macrophages, connective tissue more peripherally and plasma cells infiltration (at the bottom right); magnification 200 ×