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.
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- per·i·os·te·al, per·i·os·te·ous, adjective
- per·i·os·te·al·ly, adverb
- sub·per·i·os·te·al, adjective
- sub·per·i·os·te·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use periosteum in a sentence
Make a corresponding incision through the periosteum and raise it with a blunt dissector.The Elements of Bacteriological Technique | John William Henry Eyre
It signifies, of course, that the periosteum and the bone have become invaded by the inflammatory process.
In connection with the deep layer of the periosteum, and forming part of it, are found numerous bone-forming cells (osteoblasts).
In the periosteum we may take it roughly that inflammation runs a course similar to that occurring in soft tissues elsewhere.
As we know, the periosteum consists of two layers, an outer fibrous and an inner yellow elastic, and is extremely vascular.
British Dictionary definitions for periosteum
a thick fibrous two-layered membrane covering the surface of bones
- periosteal, adjective
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