Ferromagnetic crystals (magnetite?) in human tissue.
D000311:Adrenal Glands / Q000032:analysis*; D052203:Ferrosoferric Oxide; D006801:Humans; D007501:Iron / Q000032:analysis*; D008280:Magnetics; D010087:Oxides
D010087:Oxides; D007501:Iron; D052203:Ferrosoferric Oxide