title: Relaxing action of Trp-Nle-Arg-Phe-NH2 on the anterior byssus retractor muscle of Mytilus.
mesh_terms: D000818:Animals; D049872:Bivalvia; D019835:FMRFamide; D009119:Muscle Contraction / Q000187:drug effects*; D009126:Muscle Relaxation / Q000187:drug effects*; D009479:Neuropeptides / Q000494:pharmacology*
chemical_list: D009479:Neuropeptides; D019835:FMRFamide; C052210:tryptophyl-norleucyl-arginyl-phenylalaninamide