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periosteum

American  
[per-ee-os-tee-uhm] / ˌpɛr iˈɒs ti əm /

noun

Anatomy.
  • periostea
    plural
  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.


periosteum British  
/ ˌpɛrɪˈɒstɪəm /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Etymology

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-

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Example Sentences

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These vessels and nerves branch off at right angles through a perforating canal, also known as Volkmann’s canals, to extend to the periosteum and endosteum.

From Textbooks ● Jun. 19, 2013

The periosteum contains blood vessels, nerves, and lymphatic vessels that nourish compact bone.

From Textbooks ● Jun. 19, 2013

The tension created by contraction of the muscle fibers is then transferred though the mysia, to the tendon, and then to the periosteum to pull on the bone for movement of the skeleton.

From Textbooks ● Jun. 19, 2013

The osteocytes in spongy bone are nourished by blood vessels of the periosteum that penetrate spongy bone and blood that circulates in the marrow cavities.

From Textbooks ● Jun. 19, 2013

Prognosis and Results.—In the majority of cases union takes place satisfactorily by the formation of callus in the spongy tissue of the diaphysis and on the deep surface of the periosteum.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Alexander Miles

The periostea, denuded of their covering, were white and smooth, as if they had been polished.

From Toilers of the Sea by Victor Hugo

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