- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for periosteum
Bones are covered with a tough skin, or membrane (periosteum).A Handbook of Health
Osseous tumors may arise from the periosteum or from the marrow.Surgery, with Special Reference to Podiatry
As a counter-irritant in pains of the joints, periosteum, old sprains, &c.Cooley's Practical Receipts, Volume II
The fracture does not injure the periosteum, and is always transverse.
The periosteum is often of great practical importance to the surgeon.A Practical Physiology
Albert F. Blaisdell
- a thick fibrous two-layered membrane covering the surface of bones
C16: New Latin, from Greek periosteon, from peri- + osteon bone
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
Word Origin and History for periosteum
Online Etymology Dictionary, © 2010 Douglas Harper
- The thick fibrous membrane covering the entire surface of a bone except its articular cartilage and serving as an attachment for muscles and tendons.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.