Caption: Compact bone and bone marrow cavity (lacuna), animated coloured scanning electron micrograph (SEM). The bone marrow consists of packed hemopoietic cells, reticular cells and adipose cells. They occupy all the extravascular spaces around an extensive system of channels called venous sinuses (green). Blood cells develop outside of the extravascular system and must pass through the walls of the sinuses to enter the circulation system. The common stem cells developing in bone marrow differentiate along various lines to form red and white blood cells (granular leukocytes or monocytes). Active or red marrow is dominated by the production of red blood cells. With increasing age the marrow becomes less active and is progressively inhabited by adipocytes (fat cells). Osteocyte cell bodies also reside in other smaller cavities (lacunae) of the surrounding compact bone.

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Keywords: 20616d, 4k, abnormal, adipose cell, adipose cells, animated, animation, bone, bone fracture, bone marrow, bone marrow cavity lacuna, bone marrow stem cell, bone marrow stem cells, colored, coloured, compact bone, cortical bone, digital, false-colored, false-coloured, haemoglobin, hematopoietic cell, hemopoietic cell, hemopoietic cells, hemopoietic stem cell, hemopoietic stem cells, human, human body, human bone, ken burns effect, lacunae, mammal bone, mammal bone marrow, medical, mouse, osteoblast, osteocyte, osteocyte cell, red blood cell formation, reticular cell, reticular cells, rostrum, scanning electron micrograph, sem, stem cell, stem cells, uhd, unhealthy, venous sinus, venous sinuses, white blood cell formation

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Compact bone and bone marrow, SEM

K006/8337 Rights Managed

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Duration: 00:00:15

Frame size: 1920x1080

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Codec: JPEG

File size: 638.1M

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