Meaning of dedifferentiation

de•dif•fer•en•ti•a•tion

Pronunciation: (dē-dif"u-ren"shē-ā'shun), [key]
— n. Biol.
  1. a process by which structures or behaviors that were specialized for a specific function lose their specialization and become simplified or generalized.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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