Term Name:	T cell activation involved in immune response
Synonyms:	T cell activation during immune response, T lymphocyte activation during immune response, T-cell activation during immune response, T-lymphocyte activation during immune response
Definition:	The change in morphology and behavior of a mature or immature T cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific, leading to the initiation or perpetuation of an immune response.
Ontology:	GO: Biological Process [GO:0002286]    QuickGO    AmiGO