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n. pl. os·te·o·mas or os·te·o·ma·ta (-mə-tə)
A benign tumor composed of bony tissue, often developing on the skull.


n, pl -mata (-mətə) or -mas
(Pathology) a benign tumour composed of bone or bonelike tissue


(ˌɒs tiˈoʊ mə)

n., pl. -mas, -ma•ta (-mə tə)
a benign tumor composed of osseous tissue.
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Noun1.osteoma - a slow growing benign tumor of consisting of bone tissue; usually on the skull or mandible


n osteoma m
References in periodicals archive ?
Osteoma compactum, also called osteoma eburneum (the most common type), is hard, ivory-like, spherical, and attached to the cortex of the mastoid process.
Osteoma mixture (uncommon) is a mixture of the types of bone found in osteoma eburneum and osteoma cancellare.