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Definition of Dedifferentiated
1. Adjective. Having experienced or undergone dedifferentiation or the loss of specialization in form or function. "The hebephrenic--the most severely dedifferentiated of all schizophrenic patients" 
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1. Adjective. Having experienced or undergone dedifferentiation or the loss of specialization in form or function. "The hebephrenic--the most severely dedifferentiated of all schizophrenic patients"