Renal medullary circulation

Thomas L. Pallone, A. Edwards, David L. Mattson

Research output: Contribution to journalArticle

Abstract

The renal medullary microcirculation is a distinctive arrangement of blood vessels that serve multiple functions in the renal medulla. This article begins with a description of the unique anatomy of this vascular bed and the role it plays in transport and countercurrent exchange in the medulla. A segment of the review is then devoted to the important role mathematical modeling has played in the understanding of this vascular bed's function. Succeeding sections focus upon the hematocrit in the vasa recta capillaries and methods utilized to assess blood flow in the renal medulla. An extensive portion of the article is then devoted to the regulation of the medullary circulation, from ion channel architecture to neurohormonal signaling. Finally, we discuss the importance of the renal medullary circulation in the regulation of fluid and electrolyte homeostasis and arterial blood pressure regulation.

Original languageEnglish (US)
Pages (from-to)97-140
Number of pages44
JournalComprehensive Physiology
Volume2
Issue number1
DOIs
StatePublished - Jan 1 2012
Externally publishedYes

Fingerprint

Renal Circulation
Blood Vessels
Kidney
Microcirculation
Ion Channels
Hematocrit
Rectum
Electrolytes
Anatomy
Arterial Pressure
Homeostasis

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Renal medullary circulation. / Pallone, Thomas L.; Edwards, A.; Mattson, David L.

In: Comprehensive Physiology, Vol. 2, No. 1, 01.01.2012, p. 97-140.

Research output: Contribution to journalArticle

Pallone, Thomas L. ; Edwards, A. ; Mattson, David L. / Renal medullary circulation. In: Comprehensive Physiology. 2012 ; Vol. 2, No. 1. pp. 97-140.
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