sympathoblastoma

[sĭm′pə-thō-blă-stōmə]

n.

A completely undifferentiated malignant tumor made up of sympathoblasts and originating from embryonal cells of the sympathetic nervous system.sympathetoblastoma sympathicoblastoma sympathicogonioma sympathogonioma

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.