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periosteum

noun
peri·​os·​te·​um | \ ˌper-ē-ˈä-stē-əm How to pronounce periosteum (audio) \
plural periostea\ ˌper-​ē-​ˈä-​stē-​ə How to pronounce periostea (audio) \

Definition of periosteum

: the membrane of connective tissue that closely invests all bones except at the articular surfaces

Examples of periosteum in a Sentence

Recent Examples on the Web

 Doctors think surfer’s ear happens because the thin skin of the ear canal doesn’t protect the bone from cold water, which causes inflammation in the membrane on the outside of the bone, called the periosteum. — Kiona N. Smith, Ars Technica, "The skulls of ancient pearl divers come with abnormal ear canal bone growths," 28 Dec. 2018

First Known Use of periosteum

1574, in the meaning defined above

History and Etymology for periosteum

New Latin, from Late Latin periosteon, from Greek, neuter of periosteos around the bone, from peri- + osteon bone — more at osseous

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More Definitions for periosteum

periosteum

noun
peri·​os·​te·​um | \ -tē-əm How to pronounce periosteum (audio) \
plural periostea\ -​tē-​ə How to pronounce periostea (audio) \

Medical Definition of periosteum

: the membrane of connective tissue that closely invests all bones except at the articular surfaces

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