Term Name:	T cell costimulation
Synonyms:	T cell co-stimulation, T lymphocyte costimulation, T-cell co-stimulation, T-cell costimulation, T-lymphocyte costimulation
Definition:	The process of providing, via surface-bound receptor-ligand pairs, a second, antigen-independent, signal in addition to that provided by the T cell receptor to augment T cell activation.
Ontology:	GO: Biological Process [GO:0031295]    QuickGO    AmiGO