periosteum

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English[edit]

Etymology[edit]

From Ancient Greek περί(perí, about, around) + ὀστέον(ostéon, bone).

Pronunciation[edit]

  • Hyphenation: pe‧ri‧o‧ste‧um

Noun[edit]

periosteum (plural periostea or periosteums)

  1. A membrane surrounding a bone.
    • 1997, Ray C. Henrikson; Gordon I. Kaye; Joseph E. Mazurkiewicz, “Bone”, in Histology (National Medical Series for Independent Study), Baltimore, Md.: Lippincott Williams & Wilkins, ISBN 978-0-683-06225-0, page 131:
      Periosteum and endosteum are connective tissue sheaths of bone. [] The periosteum is a layer of connective tissue covering the external surface of a bone. The periosteum may be divided into two components: / a. An outer fibrous layer consists of dense irregular connective tissue. / b. An inner cellular layer consists of osteoprogenitor (osteogenic) cells.
    • 2011, Corey M. Maggiano, “Making the Mold: A Microstructural Perspective on Bone Modeling during Growth and Mechanical Adaptation”, in Christian Crowder and Sam Stout, editors, Bone Histology: An Anthropological Perspective, Boca Raton, Fla.: CRC Press, ISBN 978-1-4398-6691-7, page 52:
      The periosteum is constrained and interrupted by tendons, ligaments, and fibrocartilage, whereas the endosteum is awash with hematopoitic bone marrow [].

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