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Updated: Oct 2, 2026

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Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry
Published on: November 5, 2019
Comparative study of the transition temperature of calf and adult cattle erythrocytes
Abstract:
In our study we have compared the temperature dependence of osmotic fragility in calf and adult cattle erythrocytes. The temperature dependence of osmotic fragility has revealed inflections in calf red cells generally at 20 degrees C (293 K), in adult cattle red cells at about 30 degrees C (303 K). One possible explanation for the lower transition temperature of calf erythrocytes is that the microviscosity of the protein-lipid boundary might be considerably less in the membrane of the calf cell than in the adult cell.
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Erythropoiesis
Red blood cells (RBCs) transport oxygen to all body tissues. These cells survive only for 120 days and then need to be replenished. Erythropoiesis is the process of RBC production. In healthy individuals, erythropoiesis ensures all tissues are amply supplied with oxygen. In addition, blood loss due to injury leads to a drop in the physiological oxygen level that will cause erythropoiesis. Any defect in erythropoiesis leads to several physiological disorders, including thalassemia, anemia, and...
Factors Affecting Erythropoiesis
The cardiovascular system regulates the number of erythrocytes in the bloodstream to ensure optimal oxygen transport. It also prevents over-proliferation of these cells, which helps to maintain blood viscosity and flow rate.
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...

