Cortical_bone, Cortical_bone Information, Cortical


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Cortical bone, or compact bone, is one of two main types of osseous tissue. 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. Its main function is to support the body, protect organs, provide levers for movement, and (shared with cancellous bone) store minerals.

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.

External links

Cortical+bone at eMedicine Dictionary

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v • d • e

Musculoskeletal system, connective tissue: bone and cartilage

Cartilage

perichondrium, fibrocartilage callus, metaphysis

cells (chondroblast, chondrocyte)

types (hyaline, elastic, fibrous)

Bone

ossification (intramembranous, endochondral, epiphyseal plate)

cycle (osteoblast, osteoid, osteocyte, osteoclast)

types (cancellous, cortical)

regions (epiphysis, metaphysis, diaphysis)

structure (osteon/Haversian system, Haversian canals, endosteum, periosteum, Sharpey\'s fibres, enthesis, lacunae, canaliculi, trabeculae, medullary cavity, bone marrow)

shapes (long, short, flat, irregular, sesamoid)

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