Hematopoiesis - Definition

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Hematopoiesis is a physical process that guarantees new regrowth of blood cells, a process that is performed every day in the body. There are three types of hematopoiesis: erythropoiesis, concerning red blood cells; lymphopoiesis, for the lymphocytes (found in the bone marrow); and myelopoiesis, relating to blood platelet production. Insufficient hematopoiesis can cause conditions including types of hemopathy, such as leukemia or lymphoma, or aplasia of the red blood cells.