title: Motor axon sprouting and site of synapse formation in intact innervated skeletal muscle of the frog.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure; D004558:Electric Stimulation; D005071:Evoked Potentials; D007839:Functional Laterality / Q000502:physiology; D009045:Motor Endplate / Q000033:anatomy & histology; D009046:Motor Neurons / Q000648:ultrastructure*; D009132:Muscles / Q000294:innervation*; D009416:Nerve Regeneration; D010369:Pectoralis Muscles / Q000294:innervation; D011894:Rana pipiens; D013569:Synapses / Q000648:ultrastructure*