False-colour SEM of red cells in bone marrow

This image is part of the feature Landscapes Of The Human Body

Credit: PROF. P. MOTTA/DEPT. OF ANATOMY/UNIVERSITY "LA SAPIENZA", ROME/SCIENCE PHOTO LIBRARY

Caption: Bone marrow: false-colour scanning electron micrograph (SEM) of bone marrow, showing developing red blood cells (in red) and some of the channels (venous sinuses) that traverse the marrow. The renewal of all types of blood cells is necessitated by their relatively short lifespan. The common stem cells developing in bone marrow differentiate along various lines to form red & white blood cells. Active or red marrow is dominated by the production of red blood cells. With increasing age the marrow becomes less active & is progressively inhabited by adipocytes (fat cells). Magnification: x340 at 6x7cm size.

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Keywords: anatomy, bone, bone marrow, false-coloured, human body, images, in marrow, magnified image, marrow, microscopic photos, red, red blood cell, red marrow, subjects

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