Term Name:	leukocyte activation involved in immune response
Synonyms:	immune cell activation during immune response, leucocyte activation during immune response, leukocyte activation during immune response
Definition:	A change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.
Ontology:	GO: Biological Process [GO:0002366]    QuickGO    AmiGO