Effects of midbrain and spinal cord transections on sympathetic nerve responses to heating

In the present study, we investigated the contributions of forebrain, brain stem, and spinal neural circuits to heating-induced sympathetic nerve discharge (SND) responses in chloralose-anesthetized rats. Frequency characteristics of renal and splenic SND bursts and the level of activity in these ne...

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Veröffentlicht in:	American journal of physiology. Regulatory, integrative and comparative physiology integrative and comparative physiology, 2000-05, Vol.47 (5), p.R1329-R1338
Hauptverfasser:	KENNEY, M. J, PICKAR, J. G, WEISS, M. L, SAINDON, C. S, FELS, R. J
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Brain Fundamental and applied biological sciences. Psychology Heat Neurons Peripheral nervous system. Autonomic nervous system. Neuromuscular transmission. Ganglionic transmission. Electric organ Rodents Spinal cord Vertebrates: nervous system and sense organs
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Beschreibung
Zusammenfassung:	In the present study, we investigated the contributions of forebrain, brain stem, and spinal neural circuits to heating-induced sympathetic nerve discharge (SND) responses in chloralose-anesthetized rats. Frequency characteristics of renal and splenic SND bursts and the level of activity in these nerves were determined in midbrain-transected (superior colliculus), spinal cord-transected [first cervical vertebra (C1)], and shamtransected (midbrain and spinal cord) rats during progressive increases in colonic temperature (Tc) from 38 to 41.6-41.7degreeC.
ISSN:	0363-6119 1522-1490