title: Electron microscopic observations on the morphological changes of rat mesenteric mast cells induced by morphine HCl.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D003594:Cytoplasmic Granules / Q000187:drug effects / Q000648:ultrastructure; D006056:Golgi Apparatus / Q000648:ultrastructure; D008297:Male; D008407:Mast Cells / Q000187:drug effects / Q000648:ultrastructure*; D008643:Mesentery / Q000187:drug effects / Q000648:ultrastructure*; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle / Q000648:ultrastructure; D009020:Morphine / Q000494:pharmacology*; D051381:Rats
chemical_list: D009020:Morphine