POLYMIME ANIMATION CO. / SCIENCE PHOTO LIBRARY POLYMIME ANIMATION CO. / SCIENCE PHOTO LIBRARY
Bone structure. Computer artwork showing bone trabeculae. Trabeculae are the bars of bone that form a honeycombed hollow network, and make up the structure of spongy bone, the inner layer of a bone, found below a dense shell of hard compact bone. The honeycombed structure of spongy bone makes it light but strong. The spaces here are normally filled with bone marrow, the substance in which blood cells are manufactured.
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