title: Direct synaptic contacts of catecholamine axons on the preganglionic sympathetic neurons in the rat thoracic spinal cord.
abstract: Preganglionic sympathetic neurons were labelled by retrograde transport of horseradish peroxidase, while catecholamine axon varicosities were marked by the uptake of 5-hydroxydopamine in the intermediolateral nucleus of the rat. The direct synaptic contacts from the catecholamine axons to the preganglionic sympathetic neurons were demonstrated. Catecholamine axons formed symmetric synapses.
mesh_terms: D000320:Adrenergic Fibers / Q000502:physiology / Q000648:ultrastructure*; D000818:Animals; D001369:Axons / Q000145:classification* / Q000648:ultrastructure; D002395:Catecholamines / Q000032:analysis* / Q000502:physiology; D005727:Ganglia, Spinal / Q000166:cytology* / Q000648:ultrastructure; D006892:Hydroxydopamines; D008297:Male; D008854:Microscopy, Electron; D051381:Rats; D011919:Rats, Inbred Strains; D013569:Synapses / Q000145:classification* / Q000648:ultrastructure
chemical_list: D002395:Catecholamines; D006892:Hydroxydopamines