The action of tetrodotoxin on the frog's isolated muscle spindle.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009132:Muscles / Q000187:drug effects* / Q000294:innervation; D009210:Myofibrils / Q000187:drug effects; D009431:Neural Conduction; D011984:Sensory Receptor Cells / Q000187:drug effects; D012964:Sodium / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology*
D013779:Tetrodotoxin; D012964:Sodium; D002118:Calcium