title: Diurnal rhythmicity of cholinesterase activity in central nervous system of the grasshopper Poecilocerus pictus.
mesh_terms: D002490:Central Nervous System / Q000201:enzymology*; D002802:Cholinesterases / Q000378:metabolism*; D002940:Circadian Rhythm; D006110:Grasshoppers / Q000378:metabolism; D006801:Humans
chemical_list: D002802:Cholinesterases