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Assessment Of The Hemorheological Profile Of Koala And Echidna, Oguz Baskurt, Sonya Marshall-Gradisnik, Michael Pyne, Michael Simmonds, Ekua Brenu, Rhys Christy, Herbert Meiselman
Assessment Of The Hemorheological Profile Of Koala And Echidna, Oguz Baskurt, Sonya Marshall-Gradisnik, Michael Pyne, Michael Simmonds, Ekua Brenu, Rhys Christy, Herbert Meiselman
Sonya Marshall-Gradisnik
Koala, a marsupial, and echidna, a monotreme, are mammals native to Australia. Blood viscosity (62.5-1250 s-1), red blood cell (RBC) deformability, RBC aggregation, aggregability and surface charge, and hematological parameters were measured in blood samples from six koalas and six echidnas and compared to adult human blood. Koala had the largest RBC mean cell volume (107.7±2.6 fl) compared to echidna (81.3±2.6 fl) and humans (88.4±1.2 fl). Echidna blood exhibited the highest viscosity over the entire range of shear rates. Echidna RBC were significantly less deformable than koala RBC but more deformable than human RBC. Echidna RBC had significantly lower aggregability …