1. Relating to anaplasty. 2. Characterized by or pertaining to anaplasia. 3. Growing without form or structure.
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an·a·plas·tic .an-ə-'plas-tik adj characterized by, composed of, or being cells which have reverted to a relatively undifferentiated state <\anaplastic carcinomas>
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ana·plas·tic (an″ə-plasґtik) [ana- + plastic] characterized by anaplasia or reversed development; said of cells. Called also undifferentiated.Medical dictionary. 2011.