Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

astrocyte

play
noun as·tro·cyte \ˈas-trə-ˌsīt\

Definition of astrocyte

  1. :  a large star-shaped cell of the glia

astrocytic

play \ˌas-trə-ˈsi-tik\ adjective


Origin and Etymology of astrocyte

International Scientific Vocabulary


First Known Use: 1898


Medical Dictionary

astrocyte

play
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>



Learn More about astrocyte


Seen and Heard

What made you want to look up astrocyte? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

mysterious, holy, or spiritual

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

megillah rebellion interruption torrent
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ