title: Muscle spindle behavior during active muscle contraction in Amphibia.
mesh_terms: D000818:Animals; D001001:Anura; D002024:Bufo marinus; D004558:Electric Stimulation; D009119:Muscle Contraction / Q000187:drug effects; D009470:Muscle Spindles / Q000187:drug effects / Q000502:physiology*; D011898:Ranidae; D013126:Spinal Nerve Roots / Q000502:physiology; D014403:Tubocurarine / Q000494:pharmacology
chemical_list: D014403:Tubocurarine