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Tissue sections, light microscopy, H&E stain, A,C: 200x magnification, B: 100x magnification, D: 400x magnification, dissection day 7 A: liver tissue, lymphoid follicles B: lung tissue, lymphoid follicles C: kidney tissue, lymphoid follicles D: liver tissue, extramedullary hematopoiesis (1—portal vessel, 2 –bile duct, 3 –perivascular lymphoid follicles, 4 –lung epithelium, 5, periparabronchial lymphoid follicles, 6 –tubules, 7 –extramedullary hematopoiesis).
