Effect of acetylcholine on the membrane resistance and threshold of atrial muscle fibres.
D000109:Acetylcholine / Q000494:pharmacology*; D001808:Blood Vessels / Q000187:drug effects*; D006325:Heart Atria; D006801:Humans; D009132:Muscles; D013234:Stem Cells
D000109:Acetylcholine
ACETYLCHOLINE/effects; VESSELS/effect of drugs on