[noo
r-oh-bla-stoh-muh, nyoor-] 
[-muh-tuh] . Pathology. | a malignant tumor of immature nerve cells that usually starts in the autonomic nervous system or adrenal gland and spreads quickly, most often affecting young children. |
| neu·ro·blas·to·ma (nŏŏr'ō-blā-stō'mə, nyŏŏr'-) n. pl. neu·ro·blas·to·mas or neu·ro·blas·to·ma·ta (-mə-tə) A malignant tumor composed of neuroblasts, originating in the autonomic nervous system or the adrenal medulla and occurring chiefly in infants and young children. |
neuroblastoma neu·ro·blas·to·ma (n&oobreve;r'ō-blā-stō'mə, ny&oobreve;r'-)
n.
A malignant tumor composed of neuroblasts, originating in the autonomic nervous system or the adrenal medulla and occurring most commonly in infants and young children.