title: Orcein--a stain for mucins in colorectal carcinomas.
mesh_terms: D000230:Adenocarcinoma / Q000032:analysis*; D003110:Colonic Neoplasms / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D009077:Mucins / Q000032:analysis*; D010078:Oxazines; D012004:Rectal Neoplasms / Q000032:analysis*; D013194:Staining and Labeling
chemical_list: D009077:Mucins; D010078:Oxazines; C002313:PAcein