[The resistance to different influences and the degree of muscle contraction depending on muscle excitability].
D000818:Animals; D001001:Anura; D002110:Caffeine / Q000494:pharmacology; D004558:Electric Stimulation; D006851:Hydrochloric Acid / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000502:physiology*; D011189:Potassium Chloride / Q000494:pharmacology; D012972:Sodium Hydroxide / Q000494:pharmacology
D002110:Caffeine; D012972:Sodium Hydroxide; D011189:Potassium Chloride; D006851:Hydrochloric Acid
Ustoĭchivost' k razlichnym vozdeĭstviiam i vysota kontraktury myshts v zavisimosti ot ikh vozbudimosti.