Bone Marrow: Red bone marrow
is located within the spongy bone, is hemopoietic tissue that manufactures red blood cells, hemoglobin, white blood cells, and thrombocytes. These types of cells are discussed in Chapter 5. Hemopoietic (hee-moh poy-ET-ick) means pertaining to the formation of blood cells (hem/o means blood, and -poietic means pertaining to formation). This term is also spelled hematopoietic.