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Packed Cell Volume (PCV)

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DefinitionPacked cells volume (PCV) or Hematocrit, is defined as the percent of blood occupied by RBCs, or simply you can define PCV as the percent of RBCS in whole blood. To measure PCV, the RBCS must be packed together in one layer, which can be achieved by centrifugation of whole blood sample. it is essential … Read more

Physiological Factors affecting the RBCs count

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The circulating red blood cells (RBCs) are produced by the bone marrow, stored in the spleen and circulate in the blood vessels. Life span of the erythrocytes The lifespan of the erythrocytes in human is varied from 90-120 days,. However, in animals the lifespan varies according to the animal species (in cattle 150 days, in … Read more