Showing results for periosteum. Search instead for mucoperiosteum.

periosteum

American

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

noun

Anatomy.

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

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

Other Word Forms

Derived Forms

Inflected Forms

Nouns

periostea

plural

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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Vocabulary lists containing periosteum

Human Anatomy and Physiology - High School

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

periosteum periostea

Surrounding the bone is a membrane called the periosteum.

From Textbooks ● Jan. 1, 2015

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

Immature osteogenic cells are found in the deep layers of the periosteum and the marrow.

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

Hemorrhages occur from the larynx, bronchial membrane, intestinal surfaces, and even into the parenchyma of the viscera, the muscles, serous membranes, periosteum, and neurilemma.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

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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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023