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  • Title: Properties and latencies of potentials evoked in postganglionic sympathetic nerves by electrical stimulation of aortic, sinus and hypoglossal nerves in cats.
    Author: Szulczyk P.
    Journal: Acta Neurobiol Exp (Wars); 1978; 38(5):235-45. PubMed ID: 735883.
    Abstract:
    The properties and latencies of potentials evoked in cardiac (CN) and renal (RN) sympathetic nerves by electrical stimulation of the sinus, aortic and hypoglossal nerves were studied in cats. Electrical stimulation of the sinus nerve evoked only excitatory responses in the sympathetic nerves. Electrical stimulation of the aortic nerve fibers evoked excitatory or inhibitory responses in sympathetic nerves. It was possible to evoke 4-5 Hz oscillations in CN and RN after electrical stimulation of the aortic and sinus nerve.-It is suggested that electrical stimulation of the baroafferents is partially responsible for "post-excitatory inhibition" in CN and RN. The central transmission time was the same for the aortic and sinus chemoreceptor reflex and for the somatosympathetic reflex. This period was shorter than the central transmission time of the aortic nerve baroreceptor reflex.
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