Influence of atropine and morphine on the liberation of acetylcholine from the guinea pig's intestine.
D000109:Acetylcholine / Q000378:metabolism*; D001285:Atropine / Q000494:pharmacology*; D006168:Guinea Pigs; D007422:Intestines / Q000502:physiology*; D007857:Leadership; D009020:Morphine / Q000494:pharmacology*; D009435:Synaptic Transmission
D009020:Morphine; D001285:Atropine; D000109:Acetylcholine
ACETYLCHOLINE/metabolism; ATROPINE/effects; INTESTINES/physiology; MORPHINE/effects