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Definition of dedifferentiation


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de·dif·fer·en·ti·a·tion  audio  (ddf--rnsh-shn) KEY  

NOUN:
Biology
Regression of a specialized cell or tissue to a simpler, more embryonic, unspecialized form. Dedifferentiation may occur before the regeneration of appendages in plants and certain animals and in the development of some cancers.


OTHER FORMS:
dedif·fer·enti·ate (Verb)


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The American Heritage® Dictionary of the English Language, Fourth Edition.
Copyright © 2000 by Houghton Mifflin Company.
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