Blood cell-forming tissue in spongy bone is the red marrow. In spongy bone tissue, lacunae refer to small spaces within the trabeculae that contain osteocytes.īlood veins go through the denser, solid bone to the softer, sponge-like bone, supplying it with the components needed to produce blood cells. Image Credit: OpenStax College (left) and SEER. (Britannica, 2023)įigure 1: The long bone diagram: internal structure of a human long bone. The interstices are frequently packed with bone marrow and blood vessels (arteries). The bone matrix or framework is composed of a 3-D latticework of bony tissue termed trabeculae aligned along stress lines. Spongy bone is a porous and light bone containing several big gaps that give the impression of being honeycombed or spongy. Spongy bone structure and spongy bone anatomy are explained below.
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