title: Demonstration of an action of acetylcholine on the central nervous system of a crab.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D003386:Brachyura / Q000187:drug effects*; D002490:Central Nervous System / Q000187:drug effects; D008564:Membrane Potentials / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects; D009474:Neurons / Q000187:drug effects; D013570:Synaptic Membranes / Q000187:drug effects
chemical_list: D000109:Acetylcholine