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osteosarcoma Syllabification: os·te·o·sar·co·ma
Pronunciation: /ˌästēōsärˈkōmə/

Definition of osteosarcoma in English:

noun (plural osteosarcomas or osteosarcomata-mətə)

A malignant tumor of bone in which there is a proliferation of osteoblasts.
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.
Definition of osteosarcoma in:
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