bone marrow transplantation A medical procedure to replenish bone marrow – the soft tissue within bones that produces new blood cells. Bone marrow transplants are necessary when marrow has been destroyed by drug or radiation therapy for cancer, often leukemia. A bone marrow donor is usually a close relative of the patient. For more details, see blood and marrow stem cell transplant. Related category • HEALTH AND DISEASE Source: National Human Genome Research Institute Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |