rhabdomyosarcoma

noun, plural rhab·do·my·o·sar·co·mas, rhab·do·my·o·sar·co·ma·ta [rab-doh-mahy-oh-sahr-koh-muh-tuh] /ˌræb doʊˌmaɪ oʊ sɑrˈkoʊ mə tə/. Pathology.

1. a malignant tumor made up of striated muscle tissue.

n.

1. A malignant tumor derived from skeletal muscle, characterized in adults by poorly differentiated cells with large hyperchromatic nuclei.rhabdosarcoma