periosteum [per-ee-os-tee-uh m] ExamplesWord Origin noun, plural per·i·os·te·a [per-ee-os-tee-uh] /ˌpɛr iˈɒs ti ə/. Anatomy.

  1. the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.

Origin of periosteum 1590–1600; New Latin, variant of Late Latin periosteon, noun use of neuter of Greek periósteos around the bones. See peri-, osteo- Related formsper·i·os·te·al, per·i·os·te·ous, adjectiveper·i·os·te·al·ly, adverbsub·per·i·os·te·al, adjectivesub·per·i·os·te·al·ly, adverb Examples from the Web for periosteum Historical Examples of periosteum

  • Bones are covered with a tough skin, or membrane (periosteum).

    A Handbook of Health

    Woods Hutchinson

  • Osseous tumors may arise from the periosteum or from the marrow.

    Surgery, with Special Reference to Podiatry

    Maximilian Stern

  • As a counter-irritant in pains of the joints, periosteum, old sprains, &c.

    Cooley’s Practical Receipts, Volume II

    Arnold Cooley

  • The fracture does not injure the periosteum, and is always transverse.

    A System of Practical Medicine By American Authors, Vol. II


  • The periosteum is often of great practical importance to the surgeon.

    A Practical Physiology

    Albert F. Blaisdell

  • British Dictionary definitions for periosteum periosteum noun plural -tea (-tɪə)

    1. a thick fibrous two-layered membrane covering the surface of bones

    Derived Formsperiosteal, adjectiveWord Origin for periosteum C16: New Latin, from Greek periosteon, from peri- + osteon bone Word Origin and History for periosteum n.

    1590s, from Modern Latin periosteum, Late Latin periosteon, from Greek periosteon, neuter of periosteos “round the bones,” from peri- (see peri-) + osteon (see osseous).

    periosteum in Medicine periosteum [pĕr′ē-ŏs′tē-əm] n. pl. per•i•os•te•a (-tē-ə)

    1. The thick fibrous membrane covering the entire surface of a bone except its articular cartilage and serving as an attachment for muscles and tendons.

    Related formsper′i•os′te•al (-tē-əl) adj.

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