title: Orcein staining for the demonstration of sulphomucins.
mesh_terms: D004064:Digestive System / Q000473:pathology*; D006801:Humans; D009077:Mucins / Q000032:analysis*; D010078:Oxazines; D013194:Staining and Labeling
chemical_list: D009077:Mucins; D010078:Oxazines; C012564:sulfomucin; C002313:PAcein