noun (plural osteosarcomas or osteosarcomata /-mətə/)Medicine
A malignant tumor 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.