title: Evidence for an endogenous factor interfering with antagonist binding at the muscarinic cholinergic receptor.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D001921:Brain / Q000378:metabolism; D002417:Cattle; D007422:Intestines / Q000502:physiology; D007700:Kinetics; D008024:Ligands; D010276:Parasympatholytics / Q000378:metabolism*; D011813:Quinuclidinyl Benzilate / Q000378:metabolism; D051381:Rats; D011950:Receptors, Cholinergic / Q000378:metabolism*; D011976:Receptors, Muscarinic / Q000378:metabolism*; D013569:Synapses / Q000378:metabolism; D014020:Tissue Extracts / Q000494:pharmacology
chemical_list: D008024:Ligands; D010276:Parasympatholytics; D011950:Receptors, Cholinergic; D011976:Receptors, Muscarinic; D014020:Tissue Extracts; D011813:Quinuclidinyl Benzilate