/noor'oh bla stoh"meuh, nyoor'-/ , n. , pl. neuroblastomas, neuroblastomata /-meuh teuh/ . Pathol.
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.
[ 1905-10; NEURO- + BLASTOMA ]