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Encyclopedia > Cortical bone

Cortical bone, also known as compact bone is one of two main types of osseous tissues. Cortical bone is dense and forms the surface of bones, contributing 80% of the weight of a human skeleton. It is extremely hard, formed of multiple stacked layers with few gaps. Image File history File links Illu_compact_spongy_bone. ... Osseous tissue, or bone tissue is the major structural and supportive connective tissue of the body. ...


The other major type of bone is trabecular or cancellous bone; it is spongy and makes up the bulk of the interior of most bones, including the vertebrae. Its main function is to support the body, protect organs, provide levers for movement and (shared with cancellous bone), store minerals. Cancellous bone (or trabecular bone, or spongy bone) is a spongy type of bone with a very high surface area, found at the ends of long bones. ... A diagram of a thoracic vertebra. ...


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  Results from FactBites:
 
Osteoporosis -- Drug Companies - Pipeline Drugs -- Clinical Trials (1388 words)
Trabecular bone is the sponge-like bone in the center of long bones and vertabrae.
Cortical bone is the hard outer shell of bones.
It is an accumulation of fractures in trabecular bone that are incompletely repaired that leads to the manifestation of osteoporosis.
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