| 单词 | periostea | 
| 释义 |  periosteum /per-i-osˈti-əm/nounA tough fibrous membrane covering the nonarticular surface of bones (also perˈiost) ORIGIN: Gr periosteon (neuter adj), from peri around, and osteon a bone   periosˈteal adjective periostitˈic adjective periostīˈtis noun Inflammation of the periosteum  | 
	
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