Blood as an Organ

  • Branko Furst
Chapter
First Online:

Abstract

In order to bring the hitherto discussed material into a broader perspective, it may be helpful to review some of the salient phylogenetic features discussed in Part I. We have seen that in the single-circuit vascular system of the fishes, the gills are placed in series with the systemic circulation (see Fig. 11.11 ). This is a low-pressure, predominantly venous circulation, where the highly effi cient “membrane oxygenator“ system of the gills extracts oxygen, dissolved in water, to satisfy the relatively meager metabolic demands of poikilothermic aquatic species. The two-chambered heart is placed before the gills and generates pressure in the branchial circulation which, unlike in the case of mammals and birds, exceeds the systemic.

Keywords

Critical Illness Functional Capillary Density Sidestream Dark Field Hyperdynamic Circulation Acute Circulatory Failure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag London 2014

Authors and Affiliations

  • Branko Furst
    • 1
  1. 1.Department of AnesthesiologyAlbany Medical CollegeAlbanyUSA

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