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Sections of thymus from control (A) and 10 μg/kg YTX injected mice (B) immunostained with anti-cytokeratin 1/5/10/14 mAb. Note the changes in organization of the medullary epithelial compartment with modifications in cell morphology and cytokeratin immunoreactivity. Bar = 10 μm. (Reprinted with permission, modified from [40]).
