periosteum

 
Pronunciation: /ˌpɛrɪˈɒstɪəm/

noun (plural periostea /-tɪə/)

Anatomy
  • a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.

Derivatives

periosteal

adjective

Origin:

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