The homeostatic regulation of erythropoiesis and the origins and role of erythropoietin. Introduction: Erythropoiesis is the formation of red blood cells, and it occurs in the red bone marrow in four different stages: decrease in cell size, increase in cell number, increase in hemoglobin synthesis, shedding of nuclear material along with other organelles. A new supply of RBCs by erythropoiesis is needed to maintain a constant RBC number in the blood as RBCs have a lifespan of 120 days and die at the end of this period.

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Chapter 18.2, Problem 7AYLO

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The homeostatic regulation of erythropoiesis and the origins and role of erythropoietin.

Introduction:

Erythropoiesis is the formation of red blood cells, and it occurs in the red bone marrow in four different stages: decrease in cell size, increase in cell number, increase in hemoglobin synthesis, shedding of nuclear material along with other organelles. A new supply of RBCs by erythropoiesis is needed to maintain a constant RBC number in the blood as RBCs have a lifespan of 120 days and die at the end of this period.

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