Definition of osteosarcoma in English:


Line breaks: osteo|sar¦coma
Pronunciation: /ˌɒstɪəʊsɑːˈkəʊmə

noun (plural osteosarcomas or osteosarcomata /-mətə/)

  • A malignant tumour of bone in which there is a proliferation of osteoblasts.
    More example sentences
    • Microscopically, conventional osteosarcomas are composed of malignant-appearing spindle cells that produce osteoid.
    • Most osteosarcomas arise from non-inherited errors in the DNA of growing bone cells.
    • Some animals developed osteosarcomas, and consequently the human trial was stopped at just over the halfway point.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody