ret·i·no·blas·to·ma (r t n- -bl -st m )n. pl. ret·i·no·blas·to·mas or ret·i·no·blas·to·ma·ta (-m -t) A hereditary malignant tumor of the retina, transmitted as a dominant trait and occurring chiefly among infants. |
retinoblastoma
a common childhood malignancy of the eye that develops from retinal cells.
See also: Cancer
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | retinoblastoma - malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells malignant neoplasm, malignant tumor, metastatic tumor - a tumor that is malignant and tends to spread to other parts of the body |
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