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Medical Dictionary

astrocyte

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noun as·tro·cyte \ˈas-trə-ˌsīt\

Medical Definition of astrocyte

  1. :  a star-shaped cell; especially :  any comparatively large much-branched glial cell <Glia outnumber neurons in the human brain by a factor of 10 to one, and astrocytes are the most abundant type of glial cell.—Tina Hesman Saey, Science News, 2 Aug. 2008> <Astrocytes come in two main forms: fibrous astrocytes are found in the white matter and protoplasmic astrocytes in the gray matter.—Harold Kimelberg and Michael Norenberg, Scientific American, April 1989>

astrocytic \ˌas-trə-ˈsit-ik\play adjective <All gliomas, particularly the astrocytic neoplasms, are histologically, genetically, and thus therapeutically heterogeneous.—Lisa M. DeAngelis, The New England Journal of Medicine, 11 Jan. 2001>



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