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单词 periosteum
释义

WordReference Random House Unabridged Dictionary of American English © 2024
per•i•os•te•um  (per′ē ostē əm),USA pronunciation n., pl. -te•a (-tē ə).USA pronunciation [Anat.]
  1. Anatomythe 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.
  • Neo-Latin, variant of Late Latin periosteon, noun, nominal use of neuter of Greek periósteos around the bones. See peri-, osteo-
  • 1590–1600
per′i•oste•al, per′i•oste•ous, adj. 
per′i•oste•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
periosteum /ˌpɛrɪˈɒstɪəm/ n ( pl -tea / -tɪə/)
  1. a thick fibrous two-layered membrane covering the surface of bones
Etymology: 16th Century: New Latin, from Greek periosteon, from peri- + osteon bone

ˌperiˈosteal adj
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