title: Drug receptors.
mesh_terms: D000262:Adenylyl Cyclases / Q000502:physiology; D000818:Animals; D001665:Binding Sites; D002118:Calcium / Q000502:physiology; D004336:Drug Antagonism; D006168:Guinea Pigs; D008564:Membrane Potentials; D009130:Muscle, Smooth / Q000201:enzymology / Q000502:physiology*; D010277:Parasympathomimetics / Q000037:antagonists & inhibitors; D011955:Receptors, Drug / Q000502:physiology*; D011976:Receptors, Muscarinic / Q000502:physiology
chemical_list: D010277:Parasympathomimetics; D011955:Receptors, Drug; D011976:Receptors, Muscarinic; D000262:Adenylyl Cyclases; D002118:Calcium