title: Effects of tetrodotoxin on responses of the frog muscle spindle.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001001:Anura; D003864:Depression, Chemical; D066298:In Vitro Techniques; D009470:Muscle Spindles / Q000187:drug effects / Q000502:physiology*; D011898:Ranidae; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D013779:Tetrodotoxin