New research from has identified a backup for an important biological system – the hematopoietic system, whose adult stem cells constantly replenish the body’s blood supply. Under severe stress that can destroy bone marrow, these reserve cells are activated.

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New research from has identified a backup for an important biological system – the hematopoietic system, whose adult stem cells constantly replenish the body’s blood supply. Under severe stress that can destroy bone marrow, these reserve cells are activated.