title: A rapid method for the demonstration of nerve cell bodies in invertebrate central nervous systems.
mesh_terms: D000818:Animals; D003400:Astacoidea / Q000166:cytology; D003035:Cobalt; D003058:Cockroaches / Q000166:cytology; D005724:Ganglia / Q000166:cytology*; D006110:Grasshoppers / Q000166:cytology; D008722:Methods; D009474:Neurons; D013194:Staining and Labeling; D014052:Toluidines
chemical_list: D014052:Toluidines; D003035:Cobalt