Oxygen transport from the outer boundary of a pulsating wall of an arteriole

  • Authors:

  • Alfonso Limon;Silvia Bertuglia;Ali Nadim;Peter Salamon

  • Affiliations:

  • School of Mathematical Sciences, Claremont Graduate University, Claremont, CA;CNR, Institute of Clinical Physiology, University of Pisa, Pisa, Italy;School of Mathematical Sciences, Claremont Graduate University, Claremont, CA;Department of Mathematics and Statistics, San Diego State University, San Diego, CA

  • Venue:
  • Mathematics and Computers in Simulation - Special issue: Applied and computational mathematics - selected papers of the fifth PanAmerican workshop - June 21-25, 2004, Tegucigalpa, Honduras
  • Year:
  • 2006

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Abstract

In all higher organisms, oxygen transport from arterioles to the surrounding tissue is critical for survival. However, the exact nature of the transport of oxygen from the arteriole to the surrounding tissue remains shrouded in mystery, in part because the experimental data are not in accordance with the well-established Krogh diffusion model. In this paper, arteriolar pulsation is added to Krogh's model to show that simple vasomotor changes in the arterioles' diameter are insufficient to explain the high mobility of oxygen away from the arteriolar wall.