Assessment of Morphological and Functional Changes in Organs of Rats after Intramuscular Introduction of Iron Nanoparticles and Their Agglomerates

Figure 5

Site. Experiment. (a) Injection. Day 7 after the seventh injection with iron nanoparticles. (b) Area next to the injection site. Experiment. Day 7 after the seventh injection of iron nanoparticles. Magn. 300. Mainly exogenous iron is observed among the macrophages of endomysium and perimysium; it has dark blue staining, indicated with arrows (intensive Perls’ reaction) (a).

(a)

(b)