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Hematopoiesis

Site of Hematopoiesis

Hematopoitic Stem Cells

Regulation of Hematopoiesisnumber of each cell type relatively constant, so production indep. regulated

Blood Cell Developmentonly late stages of hematopoiesis are recognizable in the bone marrow by LM or EM

 

Hematopoiesis – process of production of blood cells; occurs in the bone marrow of adults

Development of Blood and Bone Marrowbegins 19th day of fetal life with RBCs production in the yolk sac

Structure of the Bone Marrow

Stem Cells

Hematopoietic Growth Factors

Erythropoiesis

Granulopoiesis

Neutrophil Maturation

Megakaryopoiesis

Summary of Hematopoiesis