title: Xiphinema americanum: cholinesterase and biogenic amines in the nervous system.
mesh_terms: D001679:Biogenic Amines / Q000032:analysis*; D002395:Catecholamines / Q000032:analysis*; D002802:Cholinesterases / Q000032:analysis*; D009348:Nematoda / Q000032:analysis* / Q000033:anatomy & histology / Q000201:enzymology; D009420:Nervous System / Q000032:analysis
chemical_list: D001679:Biogenic Amines; D002395:Catecholamines; D002802:Cholinesterases