title: A microspectrophotometric analysis of staining with carmine, orcein and carmine-orcein.
mesh_terms: D000042:Absorption; D000818:Animals; D002642:Chick Embryo; D004396:Coloring Agents / Q000032:analysis*; D006651:Histocytochemistry; D011200:Poultry; D013053:Spectrophotometry; D013194:Staining and Labeling
chemical_list: D004396:Coloring Agents