Renal reflexes in the regulation of blood pressure and sodium excretion.

A. Stella, R. Golin, S. Genovesi, A. Zanchetti

Research output: Contribution to journalArticle

Abstract

The rich innervation of the kidney is distributed to all structures of renal parenchyma thus providing important anatomical support to the functional evidence that the renal nerves can control kidney functions and send signals on the kidney environment to the central nervous system. Efferent renal nerve fibres are known to influence renal haemodynamics by modifying arteriolar vascular tone, renin release by a direct action on juxtaglomerular cells, and the excretion of sodium and water by changing tubular reabsorption of sodium and water at the different tubular levels. Mechano- and chemo-receptors have been shown in the kidney. Afferent fibres connected with renal receptors convey signals to the central nervous system both at spinal and supraspinal levels. The central areas receiving inputs from the kidney are those involved in the control of cardiovascular homeostasis and fluid balance. Activation of renal receptors by the electrical stimulation of renal afferent fibres were found to elicit both excitatory and inhibitory sympathetic responses. Although the existence of excitatory renorenal reflexes has been suggested, electrophysiological and functional data demonstrate that neural renorenal reflexes exert a tonic inhibitory influence on the tubular sodium and water reabsorption and on the secretion of renin from the juxtaglomerular cells.

Original languageEnglish
Pages (from-to)1536-1539
Number of pages4
JournalCanadian Journal of Physiology and Pharmacology
Volume65
Issue number8
Publication statusPublished - Aug 1987

Fingerprint

Reflex
Sodium
Blood Pressure
Kidney
Renin
Water
Central Nervous System
Water-Electrolyte Balance
Nerve Fibers
Electric Stimulation
Blood Vessels
Homeostasis
Hemodynamics

ASJC Scopus subject areas

  • Physiology
  • Pharmacology

Cite this

Stella, A., Golin, R., Genovesi, S., & Zanchetti, A. (1987). Renal reflexes in the regulation of blood pressure and sodium excretion. Canadian Journal of Physiology and Pharmacology, 65(8), 1536-1539.

Renal reflexes in the regulation of blood pressure and sodium excretion. / Stella, A.; Golin, R.; Genovesi, S.; Zanchetti, A.

In: Canadian Journal of Physiology and Pharmacology, Vol. 65, No. 8, 08.1987, p. 1536-1539.

Research output: Contribution to journalArticle

Stella, A, Golin, R, Genovesi, S & Zanchetti, A 1987, 'Renal reflexes in the regulation of blood pressure and sodium excretion.', Canadian Journal of Physiology and Pharmacology, vol. 65, no. 8, pp. 1536-1539.
Stella, A. ; Golin, R. ; Genovesi, S. ; Zanchetti, A. / Renal reflexes in the regulation of blood pressure and sodium excretion. In: Canadian Journal of Physiology and Pharmacology. 1987 ; Vol. 65, No. 8. pp. 1536-1539.
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