Choline: binding studies provide some evidence for a weak, direct agonist action in brain.
D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001667:Binding, Competitive; D001921:Brain / Q000187:drug effects*; D002217:Carbachol / Q000494:pharmacology; D002794:Choline / Q000494:pharmacology*; D066298:In Vitro Techniques; D008297:Male; D010277:Parasympathomimetics / Q000494:pharmacology; D011813:Quinuclidinyl Benzilate; D051381:Rats; D011976:Receptors, Muscarinic / Q000187:drug effects; D012601:Scopolamine / Q000494:pharmacology
D010277:Parasympathomimetics; D011976:Receptors, Muscarinic; D011813:Quinuclidinyl Benzilate; D001285:Atropine; D002217:Carbachol; D012601:Scopolamine; D002794:Choline