Share this entry

Share this page

periosteum

Line breaks: peri|os¦teum
Pronunciation: /ˌpɛrɪˈɒstɪəm
 
/

Definition of periosteum in English:

noun (plural periostea /-tɪə/)

Anatomy
A dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.
Example sentences
  • Holes and channels run through it, carrying blood vessels and nerves from the periosteum, the bone's membrane covering, to its inner parts.
  • The resultant cellulitis is preseptal, or anterior to the orbital septum, involving a fibrous layer beginning at the periosteum of the skull and extending to the eyelids.
  • The orbital septum, a connective tissue reflection of the periosteum, inserts into the eyelids and separates them from the orbits.

Origin

late 16th century: modern Latin, from Greek periosteon, from peri- 'around' + osteon 'bone'.

Derivatives

periosteal

1
adjective
Example sentences
  • Intraoperatively there was no evidence of either dural or periosteal penetration.
  • Patients with nonunions had a history of repetitive trauma, periosteal new bone formation, and complete obliteration of the medullary canal at the fracture site.
  • A periosteal flap was harvested from the proximal medial subcutaneous border of the tibia.

Definition of periosteum in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day reciprocity
Pronunciation: ˌresəˈpräsədē
noun
exchanging things with others for mutual benefit…