The signal intensity of trabeculae follows that of cortical bone, being low on T1 and T2 weighted images. CTĬancellous bone appears radiopaque (white) on computed tomography, with trebeculae the same density as cortical bone, whereas the marrow is of intermediate density. Trabeculae are visible in the medullary cavities of bone as dense struts of bone that parallel the lines of force that the particular bone is subject to. The function of cancellous bone is to provide strength and support to the overlying bony cortex whilst minimizing weight. Microscopically it is the same as cortical bone. Trabeculae are geometrically arranged to resist local forces transmitted through the bone and are adaptable. Cancellous bone is located in the medullary cavity of bone, in particular tubular and short bones, and consists of dense trabeculae (struts) that traverse the bone marrow-filled medullary cavity 5.
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