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Mature Long Bone: Epiphysis And Metaphysis

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Mature long bones consist of 3 distinct parts which are epiphysis, metaphysis and diaphysis. The epiphysis located at the both ends of long bone and composed of thin compact bone shell with a large amount of bony struts (trabecular bone) for supporting the cortical shell. In fact, the bony struts which located below the compact bone also aid as shock absorber. The thicker shell of compact bone which located just below a joint is known as the subchondral bone. It helps to support the hyaline articular cartilage of the joint just above it and have some lacks in organization of cortical bone as it is not true cortical bone. The epiphysis also serves as an attachment region in many bones includings joint capsular, ligaments, and some tendons.
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