Types of motor units in the skeletal muscle of Xenopus laevis.
D000818:Animals; D001001:Anura; D004558:Electric Stimulation; D004576:Electromyography; D006651:Histocytochemistry; D008854:Microscopy, Electron; D009046:Motor Neurons / Q000502:physiology*; D009119:Muscle Contraction / Q000502:physiology*; D009186:Myelin Sheath