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Bone Marrow tansplantation: Donation and Donar stem cells

Jeffrey Burke Halldorson

Bone marrow may be a semi-solid tissue found within the spongy or cancellous portions of bones. In birds and mammals, bone marrow is that the primary site of latest blood corpuscle production or haematopoiesis. It’s composed of hematopoietic cells, marrow fat, and supportive stromal cells. In adult humans, bone marrow is primarily located within the ribs, vertebrae, sternum, and bones of the pelvis. Bone marrow comprises approximately 5% of total body mass in healthy adult humans, such a person weighing 73 kg (161 lbs) will have around 3.65 kg (8 lbs) of bone marrow.