title: Trihexyphenidyl--further evidence for muscarinic receptor subclassification.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D001923:Brain Chemistry; D004848:Epithelium / Q000378:metabolism; D066298:In Vitro Techniques; D007413:Intestinal Mucosa / Q000378:metabolism; D008297:Male; D009130:Muscle, Smooth / Q000378:metabolism; D009206:Myocardium / Q000378:metabolism; D019832:N-Methylscopolamine; D011813:Quinuclidinyl Benzilate / Q000378:metabolism; D051381:Rats; D011919:Rats, Inbred Strains; D011976:Receptors, Muscarinic / Q000145:classification / Q000378:metabolism*; D012602:Scopolamine Derivatives / Q000378:metabolism; D014282:Trihexyphenidyl / Q000378:metabolism*
chemical_list: D011976:Receptors, Muscarinic; D012602:Scopolamine Derivatives; D011813:Quinuclidinyl Benzilate; D014282:Trihexyphenidyl; D019832:N-Methylscopolamine