title: Decrease or increase in cardiac muscarinic cholinergic receptor number in rats treated with methacholine or atropine.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D001667:Binding, Competitive; D006321:Heart / Q000187:drug effects; D007700:Kinetics; D008297:Male; D008688:Methacholine Compounds / Q000494:pharmacology*; D009206:Myocardium / Q000378:metabolism*; D011813:Quinuclidinyl Benzilate / Q000378:metabolism; D051381:Rats; D011950:Receptors, Cholinergic / Q000378:metabolism*; D011976:Receptors, Muscarinic / Q000187:drug effects / Q000378:metabolism*
chemical_list: D008688:Methacholine Compounds; D011950:Receptors, Cholinergic; D011976:Receptors, Muscarinic; D011813:Quinuclidinyl Benzilate; D001285:Atropine; D000109:Acetylcholine