title: Visualization of autonomic varicose terminal axons by scanning electron microscopy.
mesh_terms: D000818:Animals; D001338:Autonomic Fibers, Postganglionic / Q000648:ultrastructure*; D001369:Axons / Q000648:ultrastructure*; D006168:Guinea Pigs; D008855:Microscopy, Electron, Scanning; D009411:Nerve Endings / Q000648:ultrastructure*; D013569:Synapses / Q000648:ultrastructure; D001743:Urinary Bladder / Q000294:innervation