Periosteum

The periosteum is the fibrous membrane of connective tissue that snugly covers all bones, but it does not cover articular surfaces (where bones come in contact with each other). The articular surfaces are covered with cartilage, which prevents bones from rubbing together. The periosteum also contains attachment sites for muscles, ligaments, and tendons. For adults, the periosteum is responsible for forming new bone as a result of injury or infection. And in children, the periosteum is...