title: [Essential and substituted amino acids as chemical stimuli in the clawed frog Xenopus laevis].
abstract: Studies have been made of the effect of all 20 natural amino acids on motor activity of the clawed toad Xenopus laevis. It was demonstrated that essential amino acids act as more effective chemical stimuli than replaceable ones.
mesh_terms: D000596:Amino Acids / Q000494:pharmacology*; D000601:Amino Acids, Essential / Q000494:pharmacology*; D000818:Animals; D005260:Female; D008297:Male; D009043:Motor Activity / Q000187:drug effects; D013268:Stimulation, Chemical; D013997:Time Factors; D014982:Xenopus laevis / Q000502:physiology*
chemical_list: D000596:Amino Acids; D000601:Amino Acids, Essential
vernacular_title: Nezamennye i zamenimye aminokisloty kak khimicheskie razdrazhiteli u shportsevykh liagushek Xenopus laevis.