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. 2004 May;72(5):2915–2921. doi: 10.1128/IAI.72.5.2915-2921.2004

FIG. 7.

FIG. 7.

Histopathology of infected chick brains. Chicks were infected intravenously on day 12 with 103 or 105 RH tachyzoites, and their brains were formalin fixed on day 15. (A) Chicks infected with 103 RH tachyzoites. Hematoxylin and eosin stain. Magnification, ×40. (B) Immunohistochemical staining of the brain shown in panel A for T. gondii. The arrow points to a small focus of T. gondii infection. (C) Chick infected with 105 RH tachyzoites. Hematoxylin and eosin stain. (D) Immunostaining of the brain shown in panel C.