Hematopoiesis is the process of formation of all cells in bone marrow by hematopoietic stem cells ( HSC) during fetal stage. The hematopoietic stem cells is multipotent cell.
Hematopoietic stem cells (HSC)
1- Myeloid progenitor cell (CMP)
a- Megakaryocytes or erythroid progenitor cell (MEP)- * Erythroblast * Megakaryocytes (Red blood cells) (Platelets)
b- Granulocytes/ Macrophage progenitor cell (GMP)-
Neutrophils, eosinophils, mast cells, monocytes
2- Lymphoid progenitor cell
B-cell , T-cell , Natural killer cells (NK cells)
