retinoblastoma

(ret′'n ō blas tō)

noun pl. retinoblastomas, retinoblastomata

a rare, often inherited, malignant tumor that forms in the retina, usually of a young child

See retinoblastoma in American Heritage Dictionary 4

noun pl. ret·i·no·blas·to·mas or ret·i·no·blas·to·ma·ta (-mə-tə)
A hereditary malignant tumor of the retina, transmitted as a dominant trait and occurring chiefly among infants.

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