TY - JOUR
T1 - Haematological adjustments with diurnal changes in body temperature in a lizard and a mouse
AU - Mclean, G.S.
AU - Lee, A.K.
AU - Withers, P. C.
PY - 1975
Y1 - 1975
N2 - 1. 1. Hypothermic lizards (Egernia cunninghami) showed significant reductions in plasma volume, haematocrit and haemoglobin concentration. The changes in the distribution of red cells were acutely reversible when body temperature was increased. 2. 2. Consequently, there were no significant alterations in blood viscosity (when measured in vitro in a capillary viscometer) between body temperatures of 32°C (preferred body temperature) and 20°C. 3. 3. In contrast, mice (Peromyscus leucopus) showed no significant changes in haematocrit, haemoglobin concentration or red cell count, associated with diurnal torpor. 4. 4. These results are discussed in relation to haemofluidity and optimization of oxygen transport. © 1975.
AB - 1. 1. Hypothermic lizards (Egernia cunninghami) showed significant reductions in plasma volume, haematocrit and haemoglobin concentration. The changes in the distribution of red cells were acutely reversible when body temperature was increased. 2. 2. Consequently, there were no significant alterations in blood viscosity (when measured in vitro in a capillary viscometer) between body temperatures of 32°C (preferred body temperature) and 20°C. 3. 3. In contrast, mice (Peromyscus leucopus) showed no significant changes in haematocrit, haemoglobin concentration or red cell count, associated with diurnal torpor. 4. 4. These results are discussed in relation to haemofluidity and optimization of oxygen transport. © 1975.
KW - blood viscosity Egernia cunninghami haematocrit Haematological adjustments hypothermia lizard mice Peromyscus leucopus torpor
U2 - 10.1016/0300-9629(75)90443-0
DO - 10.1016/0300-9629(75)90443-0
M3 - Article
VL - 51
SP - 241
EP - 249
JO - Comparative Biochemistry and Physiology -- Part A: Physiology
JF - Comparative Biochemistry and Physiology -- Part A: Physiology
IS - 1
ER -