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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 ?
The spongious mature type or cancellous osteoma is composed of softer bone with intertrabecular hematopoietic bone marrow or fat (1).
Compact osteomas consist of dense, compact bone with a few marrow spaces, while cancellous osteoma is characterized by bony trabeculae and a fibrofatty marrow enclosing osteoblasts which resembles mature bone.
Histologically, an Osteoma is reported as either a normal appearing dense mass of lamellar bone with minimal marrow tissues (compact Osteoma) or trabeculae of mature lamellar bone, with intervening fatty or fibrous marrow (cancellous Osteoma).