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Direct synaptic contacts of catecholamine axons on the preganglionic sympathetic neurons in the rat thoracic spinal
Brain Research
|August 20, 1986
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.