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Histopathological images of the cecal mucosa after S. Typhimurium infection. Representative images of histopathological lesions in the cecal mucosa (magnification, ×200) of C57BL/6 mice (wild type), MyD88-deficient mice, Il-17 receptor-deficient mice, or Il-1 receptor-deficient mice 48 h after inoculation with wild-type S. Typhimurium, a noninvasive S. Typhimurium mutant (ZA21), or sterile medium (Mock-infected) are shown.
