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trabeculae, bones, railroad bridges, and what not o/ this design helps to distribute the weight ♡ Ain't beautiful?

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Bone marrow, SEM. Scanning electron micrograph (SEM) of bone marrow in cancellous bone tissue.

Bone tissue (imaged using a scanning electron microscope [SEM])

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Cancellous bone (spongy bone) from distal human femur | 1986 Photomicrography Competition | Nikon’s Small World

Image by Professor P. Motta. This image is a false-color scanning electron micrograph (SEM) of normal human cancellous (spongy) bone. The shafts of long bones such as the femur are comprised of two types of bone of differing densities: compact bone forms the outer region, with the core formed by spongy or cancellous bone. In spongy bone the bony tissue is arranged as an open honeycomb.

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The latter condition illustrates a weakened bone matrix, with decreased cortical thickness and a decrease in the number and size of the trabeculae of cancellous bone .

Compact bone, from human femur. Bone is made up of two types of tissue: the compact bone forms a shell around the spongy cancellous bone that makes up the marrow space in the centre. Compact bone provides strength and rigidity and is solid in appearance. It is composed of a layered matrix of organic substances and inorganic salts that form around an intricate network of vasculature called Haversian canals. Credit: Ivor Mason, KCL, Wellcome Images.

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