title: Effects of polarizing currents on long lasting discharges in the frog muscle spindle.
mesh_terms: D000818:Animals; D001001:Anura; D066298:In Vitro Techniques; D008564:Membrane Potentials; D009119:Muscle Contraction; D009470:Muscle Spindles / Q000502:physiology*; D009475:Neurons, Afferent / Q000502:physiology