astrocytoma

Medical Dictionary

astrocytoma as·tro·cy·to·ma (ās'trō-sī-tō'mə)
n. pl. as·tro·cy·to·mas or as·tro·cy·to·ma·ta (-mə-tə)
A malignant tumor of nervous tissue composed of well-differentiated astrocytes. Also called grade I astrocytoma.

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