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Renal Blood Flow

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Book cover Laser-Doppler Blood Flowmetry

Part of the book series: Developments in Cardiovascular Medicine ((DICM,volume 107))

Abstract

The microcirculation of the kidney is unique. Most organs are relatively homogeneously prefused by arteries and veins that are interconnected by a capillary bed that supplies oxygen and nutrients to the tissue. In contrast, the perfusion of the kidney is highly heterogeneous. Tissue blood flows range from 700 ml • min-1 • 100g-1 of tissue in the renal cortex to around 50 ml • min-1 • 100g-1 of tissue in the renal papilla [1–5]. Moreover, there are structural differences in the microvasculature in various regions of the kidney, and each region contains specialized vascular structures that serve the excretory function of the kidney [6, 7]. In this regard, the renal vasculature not only supplies the metabolic needs of the tissue, but it also ultrafilters solutes and water into the tubular system, reabsorbs tubular fluid, preserves the osmotic gradient in the renal medulla, and regulates tubular function by influencing the composition of, and the hydrostatic pressure in, the renal interstitium.

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Authors
  1. Richard J. Roman
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Editors and Affiliations

  1. Department of Physiology, University of Texas Health Science Center, 78284, San Antonio, Texas, USA

    A. P. Shepherd

  2. Department of Biomedical Engineering, University of Linköping, S-581 85, Linköping, Sweden

    P. Åke Öberg

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© 1990 Springer Science+Business Media New York

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Roman, R.J. (1990). Renal Blood Flow. In: Shepherd, A.P., Öberg, P.Å. (eds) Laser-Doppler Blood Flowmetry. Developments in Cardiovascular Medicine, vol 107. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-2083-9_16

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  • DOI: https://doi.org/10.1007/978-1-4757-2083-9_16

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4419-4745-1

  • Online ISBN: 978-1-4757-2083-9

  • eBook Packages: Springer Book Archive

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