##  [Clonal Selection](/clonal-selection) 

  ##  [Clonal Selection](https://health.quantumdictionary.io/clonal-selection-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

Adaptive immune process in which antigen-specific lymphocytes (B or T cells) from a diverse pre-existing repertoire are selectively activated, proliferate, and differentiate after encountering their cognate antigen, producing a population of effector and memory cells derived from the original clone.