title: Fractionation by zonal centrifugation of brain of normal rats and rats treated with morphine.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis; D000135:Acid Phosphatase / Q000032:analysis; D000818:Animals; D001274:Atmospheric Pressure; D001921:Brain / Q000187:drug effects* / Q000201:enzymology; D001923:Brain Chemistry / Q000187:drug effects; D002458:Cell Fractionation; D002501:Centrifugation, Zonal; D008297:Male; D008636:Mesencephalon / Q000032:analysis; D009020:Morphine / Q000494:pharmacology*; D009419:Nerve Tissue Proteins / Q000032:analysis; D009929:Organ Size; D051381:Rats; D013347:Subcellular Fractions / Q000187:drug effects
chemical_list: D009419:Nerve Tissue Proteins; D009020:Morphine; D000110:Acetylcholinesterase; D000135:Acid Phosphatase