Spinal transmission of autonomic processes.
D000818:Animals; D001339:Autonomic Fibers, Preganglionic / Q000648:ultrastructure; D002415:Cats; D008854:Microscopy, Electron; D013116:Spinal Cord / Q000033:anatomy & histology* / Q000166:cytology; D013564:Sympathetic Nervous System / Q000033:anatomy & histology* / Q000166:cytology; D009435:Synaptic Transmission