e Development of Hematopoietic Organs Fetal hematopoiesis Hematopoiesis after birth Bone marrow hematopoiesis Extrmedullary hematopoiesisDevelopment of Hematopoietic Organs • Fetal hematopoiesis • Hematopoiesis after birth – Bone marrow hematopoiesis – Extrmedullary hematopoiesis