An interesting case of colloidal iron positivity.
D000313:Adrenal Medulla / Q000032:analysis*; D000663:Amphibians; D000818:Animals; D003102:Colloids; D005295:Ferrocyanides; D006863:Hydrogen-Ion Concentration; D007501:Iron; D010640:Phenothiazines; D012104:Reptiles; D013194:Staining and Labeling
D003102:Colloids; D005295:Ferrocyanides; D010640:Phenothiazines; D007501:Iron