Additional file 1: of Effects of prenatal inhalation exposure to copper nanoparticles on murine dams and offspring

Placenta histopathology. Representative micrographs of placenta sections stained with H&E from mice exposed prenatally to Cu NPs or laboratory air (shams). No significant pathological changes were found in the placentas from exposed animals compared to the controls. Bars = 200 μm (inset, bars = 20 μm). A = labyrinth layer, B = spongiotrophoblast layer, C = decidual layer. (PDF 322 kb