title: The nucleus reticularis gigantocellularis of the medulla oblongata is a highly sensitive site in the production of morphine analgesia in the rat.
mesh_terms: D000698:Analgesia; D000818:Animals; D008297:Male; D008526:Medulla Oblongata / Q000502:physiology*; D008845:Microinjections; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D013997:Time Factors
chemical_list: D009020:Morphine