title: Xenopus motor units co-innervated with spindles [proceedings].
mesh_terms: D000818:Animals; D066298:In Vitro Techniques; D009046:Motor Neurons / Q000502:physiology*; D009119:Muscle Contraction; D009470:Muscle Spindles / Q000502:physiology*; D009431:Neural Conduction; D014981:Xenopus