bone marrow transplant
a treatment that replaces blood-forming stem cells that have been destroyed by high doses of chemotherapy and/or radiation therapy. The bone marrow may come from the patient (autologous) or a donor (allogeneic). Bone marrow transplants (BMTs) were the first way stem cells in the bone marrow were replaced. See also allogeneic stem cell transplant, autologous stem cell transplant, umbilical cord blood transplant, hematopoietic stem cell transplant, stem cells.