title: Diffusion barrier for acetylcholine at the frog neuromuscular junction.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism* / Q000494:pharmacology; D000812:Anhydrides / Q000494:pharmacology; D000818:Animals; D001001:Anura; D004058:Diffusion; D008564:Membrane Potentials / Q000187:drug effects; D009388:Neostigmine / Q000494:pharmacology; D009469:Neuromuscular Junction / Q000378:metabolism*; D009538:Nicotine / Q000494:pharmacology; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D011894:Rana pipiens; D011950:Receptors, Cholinergic / Q000378:metabolism; D013386:Succinates
chemical_list: D000812:Anhydrides; D000644:Quaternary Ammonium Compounds; D011950:Receptors, Cholinergic; D013386:Succinates; D009388:Neostigmine; D009538:Nicotine; D000109:Acetylcholine