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Ag NW-induced pleural inflammation. Images are H & E-stained tissue sections recovered at Days 1 (left) and 7 (right) post exposure to sham control (A-B), S-Ag NWs (C-D), or L-Ag NWs (E-F). Panels are Brightfield microscopy images of responses in tissues from rats instilled with a single 1.0 ml/kg dose of sham control or Ag NWs. Solid arrows indicate thickened sub-pleural tissue. Scale bar is 25 μm.
