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Bone marrow

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Bone marrow: location and labeled histology (preview) | Kenhub

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Bone Marrow

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Histology of Bone Marrow - Shotgun Histology

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Tissue Typing and Finding a Bone Marrow Match

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Casually explained: Bone Marrow (Type, Functions, Importance)

Bone marrow is a semi-solid tissue which may be found within the spongy or cancellous portions of bones. In birds and mammals, bone marrow is the primary site of new blood cell production or hematopoiesis. It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells. In adult humans, bone marrow is primarily located in the ribs, vertebrae, sternum, and bones of the pelvis. On average, bone marrow constitutes 4% of the total body mass of humans; in an adult having 65 kilograms of mass, bone marrow typically accounts for approximately 2.6 kilograms (5.7 lb).