periosteum [per-ee-os-tee-uh m] ExamplesWord Origin noun, plural per·i·os·te·a [per-ee-os-tee-uh] /ˌpɛr iˈɒs ti ə/. 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.
Origin of periosteum 1590–1600; New Latin, variant of Late Latin periosteon, noun use of neuter of Greek periósteos around the bones. See, Related formsper·i·os·te·al, per·i·os·te·ous, adjectiveper·i·os·te·al·ly, adverbsub·per·i·os·te·al, adjectivesub·per·i·os·te·al·ly, adverb Examples from the Web for periosteum Historical Examples of periosteum
Bones are covered with a tough skin, or membrane (periosteum).
Osseous tumors may arise from the periosteum or from the marrow.
As a counter-irritant in pains of the joints, periosteum, old sprains, &c.
The fracture does not injure the periosteum, and is always transverse.
The periosteum is often of great practical importance to the surgeon.
Albert F. Blaisdell
British Dictionary definitions for periosteum periosteum noun plural -tea (-tɪə)
- a thick fibrous two-layered membrane covering the surface of bones
Derived Formsperiosteal, adjectiveWord Origin for periosteum C16: New Latin, from Greek periosteon, from peri- + osteon bone Word Origin and History for periosteum n.
1590s, from Modern Latin periosteum, Late Latin periosteon, from Greek periosteon, neuter of periosteos “round the bones,” from peri- (see) + osteon (see ).
periosteum in Medicine periosteum [pĕr′ē-ŏs′tē-əm] n. pl. per•i•os•te•a (-tē-ə)
- The thick fibrous membrane covering the entire surface of a bone except its articular cartilage and serving as an attachment for muscles and tendons.
Related formsper′i•os′te•al (-tē-əl) adj.