Design and physiology of capillaries and secondary circulation | Circulatory Fluid Balance and Transcapillary Exchange

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The movement of fluid between the intravascular and interstitial compartments is dependent upon the balance of pressure pushing fluid out of each compartment (hydraulic pressure) and the protein-dependent osmotic pressure (oncotic pressure) pulling fluid into the compartment. Compared to mammals, most fish capillaries are relatively permeable to proteins and transcapillary fluid balance is to a large extent dependent upon hydraulic (blood) pressure. This enables fish to rapidly mobilize fluid from the interstitium into the blood following hemorrhage and thereby survive considerable blood loss.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Fish Physiology
PublisherElsevier Inc.
Pages1154-1160
Number of pages7
Volume2
ISBN (Print)9780080923239
DOIs
StatePublished - Dec 1 2011

Keywords

  • Fluid compartments
  • Interstitial fluid
  • Reflection coefficient
  • Starlings forces
  • Transcapillary fluid balance

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

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