periosteum definition

  • noun:
    • The heavy fibrous membrane covering the area of bones except during the bones and serving as an attachment for muscle tissue and tendons.
    • A membrane surrounding a bone.
    • The membrane of fibrous connective muscle which closely invests all bones except in the articular surfaces.
    • The enveloping membrane layer of bones; a dense fibrous membrane layer securely investing the surface of bones, except in which these are typically covered by cartilage.
    • a dense fibrous membrane layer covering the surface of bones (except at their extremities) and providing as an attachment for muscles and muscle tissue; contains nerves and arteries that nourish the enclosed bone tissue

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