Bone marrow is the deep, interior portion of your bone. Your bone marrow, which has a spongy consistency, fills the cavities inside your bones and produces blood cells. Healthy bone marrow ...

For many years, scientists assumed that blood production took place in the bone marrow. But now, researchers at UCSF are showing it’s also happening in the lungs. They found hematopoietic stem ...

Bierring, F., in Ciba Found. Symp. on Haemopoiesis (edit. by Wolstenholme, G. E. W., and O'Connor, M.), 185 (Churchill, London, 1960).