Term Name:	CD4-positive, alpha-beta T cell costimulation
Synonyms:	CD4-positive, alpha beta T cell 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 CD4-positive, alpha-beta T cell activation.
Ontology:	GO: Biological Process [GO:0035783]    QuickGO    AmiGO