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periosteum |
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periosteumDense membrane over bones. The outer layer contains nerve fibres and many blood vessels, which supply cells in the bone. The bone-producing cells of the inner layer are most prominent in fetal life and early childhood, when bone formation is at its peak. In adulthood they are less active but vital to continuous bone remodeling. When bone is injured, they multiply profusely to produce new bone. periosteum [‚per·ē′äs·tē·əm] (anatomy) The fibrous membrane enveloping bones, except at joints and the points of tendonous and ligamentous attachment. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The endolymphatic sac lies between the petrous periosteum and the posterior fossa dura, near the sigmoid sinus and jugular bulb, and posterior to the internal auditory canal. The scientists then slipped a needle underneath the exposed bone's periosteum, a membrane that covers the bone, and injected a bubble of calcium-containing gel between the periosteum and the bone. In experiments with mice, evidence indicates that viral replication can take place in the periosteum or endosteum (19). |
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