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Table 2 Cellular types found in tuberculous granulomas

From: Immunohistochemical characterization of tuberculous lesions in sheep naturally infected with Mycobacterium bovis

 

Initial granuloma

Developed granuloma

Terminal granuloma

T lymphocytes

+

+

B lymphocytes

++

+++

++++

Macrophages

+++

++++

++

Plasma cells

++

+++

  1. -: abscence of immunolabelled cells; +: 1–10 immunolabelled cells; ++: 11–50 immunolabelled cells; +++: 51–100 immunolabelled cells; ++++: > 100 immunolabelled cells