Inhibitory effects in the cuneate nucleus produced by vago-aortic afferent fibers
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TL;DR
The inhibition is accompanied by an increase in the amplitude of the antidromic wave recorded in the superficial radial nerve, thus indicating that the inhibitory effects caused by vago-aortic nerve stimulation seem to be of a presynaptic origin.
Abstract
Stimulation of vago-aortic nerve afferent fibers produces a dimunution in the efficiency of synaptic transmission of somatic afferents in the cuneate nucleus in cats anesthetized with chloralose. These inhibitory effects are seen in the reduction in the amplitude of evoked activity in the cuneate nucleus and in the medial lemniscus. The inhibition is accompanied by an increase in the amplitude of the antidromic wave recorded in the superficial radial nerve, thus indicating that the inhibitory effects caused by vago-aortic nerve stimulation seem to be of a presynaptic origin.