ependymoma

[ĭ-pĕn′də-mōmə]
n. pl. ep•en•dy•mo•mas
  1. A central nervous system neoplasm made up of relatively undifferentiated ependymal cells.medulloepithelioma
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.