Definition of “periosteum” - English Dictionary

british dictionary

“periosteum” in British English

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periosteumnoun [ C ]

uk /ˌper.ɪˈɒs.ti.əm/ us /ˌper.iˈɑːs.ti.əm/ plural periostea specialized

a thin layer of tissue surrounding the outer layer of all bones:

The periosteum of the skull is called the pericranium.

(Definition of “periosteum” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)