title: The demonstration of cholinesterases by the formation of osmium blacks at the sites of Hatchett's brown.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis*; D000818:Animals; D002802:Cholinesterases / Q000032:analysis*; D003300:Copper; D005069:Evaluation Studies as Topic; D005295:Ferrocyanides; D005724:Ganglia / Q000166:cytology / Q000201:enzymology; D006651:Histocytochemistry; D008297:Male; D008722:Methods; D051379:Mice; D008854:Microscopy, Electron; D008961:Models, Structural; D009474:Neurons / Q000166:cytology / Q000201:enzymology; D010159:Palate / Q000166:cytology / Q000201:enzymology; D051381:Rats; D013116:Spinal Cord / Q000166:cytology / Q000201:enzymology; D013194:Staining and Labeling; D014059:Tongue / Q000166:cytology / Q000201:enzymology; D014325:Tromethamine
chemical_list: D005295:Ferrocyanides; D014325:Tromethamine; D003300:Copper; D000110:Acetylcholinesterase; D002802:Cholinesterases