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