Figure 3From: In vivo and in vitro models show unexpected degrees of virulence among Toxoplasma gondii type II and III isolates from sheepHistological lesions observed in Toxoplasma gondii infected mice. A Brain. Mouse infected with the TgShSp16 strain. Note, the tissue cyst-like structure (arrow) and non-purulent vasculitis (arrowhead). B Lung. Mouse infected with the TgShSp24 strain. Note, the perivascular infiltration of non-purulent inflammatory cells (arrow) and focal thickening of the alveolar wall (arrowhead).Back to article page