Portland State University. Department of Biology
Philip C. Withers
Date of Publication
Master of Science (M.S.) in Biology
Oxygen -- Physiological transport, Cardiovascular system -- Vertebrates, Vertebrates -- Physiology, Blood -- Viscosity, Blood flow
1 online resource (81 p.)
The hematological and rheological characteristics of blood from a number of vertebrates was compared to assess possible species differences in blood viscosity that may influence cardiovascular oxygen transport. Nucleated red blood cells (RBCs) were more viscous (measured by cone-plate viscometry) in comparison with enucleate (mammalian) RBCs at hematocrits greater than 40% when measured at equivalent temperatures. The lower viscosity of enucleate RBCs is attributed to an enhanced deformability of enucleate cells in comparison to nucleated cells.
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Hedrick, Michael Scott, "Aspects of cardiovascular oxygen transport in vertebrates" (1985). Dissertations and Theses. Paper 3404.